diff --git a/cypress/e2e/settings/device-management.spec.ts b/cypress/e2e/settings/device-management.spec.ts
index 1709475e17c..da4d12e35d9 100644
--- a/cypress/e2e/settings/device-management.spec.ts
+++ b/cypress/e2e/settings/device-management.spec.ts
@@ -78,6 +78,7 @@ describe("Device manager", () => {
         cy.get('.mx_FilteredDeviceList_list .mx_FilteredDeviceList_listItem .mx_Checkbox').last().click();
         // sign out from list selection action buttons
         cy.get('[data-testid="sign-out-selection-cta"]').click();
+        cy.get('[data-testid="dialog-primary-button"]').click();
         // list updated after sign out
         cy.get('.mx_FilteredDeviceList_list').find('.mx_FilteredDeviceList_listItem').should('have.length', 1);
         // security recommendation count updated
@@ -106,6 +107,8 @@ describe("Device manager", () => {
             // sign out using the device details sign out
             cy.get('[data-testid="device-detail-sign-out-cta"]').click();
         });
+        // confirm the signout
+        cy.get('[data-testid="dialog-primary-button"]').click();
 
         // no other sessions or security recommendations sections when only one session
         cy.contains('Other sessions').should('not.exist');
diff --git a/src/components/views/elements/DialogButtons.tsx b/src/components/views/elements/DialogButtons.tsx
index bf018e14f49..522d847e1b1 100644
--- a/src/components/views/elements/DialogButtons.tsx
+++ b/src/components/views/elements/DialogButtons.tsx
@@ -82,7 +82,7 @@ export default class DialogButtons extends React.Component<IProps> {
             cancelButton = <button
                 // important: the default type is 'submit' and this button comes before the
                 // primary in the DOM so will get form submissions unless we make it not a submit.
-                data-test-id="dialog-cancel-button"
+                data-testid="dialog-cancel-button"
                 type="button"
                 onClick={this.onCancelClick}
                 className={this.props.cancelButtonClass}
@@ -104,7 +104,7 @@ export default class DialogButtons extends React.Component<IProps> {
                     { cancelButton }
                     { this.props.children }
                     <button type={this.props.primaryIsSubmit ? 'submit' : 'button'}
-                        data-test-id="dialog-primary-button"
+                        data-testid="dialog-primary-button"
                         className={primaryButtonClassName}
                         onClick={this.props.onPrimaryButtonClick}
                         autoFocus={this.props.focus}
diff --git a/src/components/views/settings/tabs/user/SessionManagerTab.tsx b/src/components/views/settings/tabs/user/SessionManagerTab.tsx
index 49ca1bdbf29..07a08ec9c4e 100644
--- a/src/components/views/settings/tabs/user/SessionManagerTab.tsx
+++ b/src/components/views/settings/tabs/user/SessionManagerTab.tsx
@@ -36,6 +36,25 @@ import LoginWithQRSection from '../../devices/LoginWithQRSection';
 import LoginWithQR, { Mode } from '../../../auth/LoginWithQR';
 import SettingsStore from '../../../../../settings/SettingsStore';
 import { useAsyncMemo } from '../../../../../hooks/useAsyncMemo';
+import QuestionDialog from '../../../dialogs/QuestionDialog';
+
+const confirmSignOut = async (sessionsToSignOutCount: number): Promise<boolean> => {
+    const { finished } = Modal.createDialog(QuestionDialog, {
+        title: _t("Sign out"),
+        description: (
+            <div>
+                <p>{ _t("Are you sure you want to sign out of %(count)s sessions?", {
+                    count: sessionsToSignOutCount,
+                }) }</p>
+            </div>
+        ),
+        cancelButton: _t('Cancel'),
+        button: _t("Sign out"),
+    });
+    const [confirmed] = await finished;
+
+    return confirmed;
+};
 
 const useSignOut = (
     matrixClient: MatrixClient,
@@ -61,6 +80,11 @@ const useSignOut = (
         if (!deviceIds.length) {
             return;
         }
+        const userConfirmedSignout = await confirmSignOut(deviceIds.length);
+        if (!userConfirmedSignout) {
+            return;
+        }
+
         try {
             setSigningOutDeviceIds([...signingOutDeviceIds, ...deviceIds]);
             await deleteDevicesWithInteractiveAuth(
diff --git a/src/i18n/strings/en_EN.json b/src/i18n/strings/en_EN.json
index f40e1658040..a33de8ea150 100644
--- a/src/i18n/strings/en_EN.json
+++ b/src/i18n/strings/en_EN.json
@@ -1596,6 +1596,9 @@
     "Sessions": "Sessions",
     "Where you're signed in": "Where you're signed in",
     "Manage your signed-in devices below. A device's name is visible to people you communicate with.": "Manage your signed-in devices below. A device's name is visible to people you communicate with.",
+    "Sign out": "Sign out",
+    "Are you sure you want to sign out of %(count)s sessions?|other": "Are you sure you want to sign out of %(count)s sessions?",
+    "Are you sure you want to sign out of %(count)s sessions?|one": "Are you sure you want to sign out of %(count)s session?",
     "Other sessions": "Other sessions",
     "For best security, verify your sessions and sign out from any session that you don't recognize or use anymore.": "For best security, verify your sessions and sign out from any session that you don't recognize or use anymore.",
     "Sidebar": "Sidebar",
@@ -1732,7 +1735,6 @@
     "Please enter verification code sent via text.": "Please enter verification code sent via text.",
     "Verification code": "Verification code",
     "Discovery options will appear once you have added a phone number above.": "Discovery options will appear once you have added a phone number above.",
-    "Sign out": "Sign out",
     "Sign out all other sessions": "Sign out all other sessions",
     "Current session": "Current session",
     "Confirm logging out these devices by using Single Sign On to prove your identity.|other": "Confirm logging out these devices by using Single Sign On to prove your identity.",
diff --git a/test/components/views/dialogs/AccessSecretStorageDialog-test.tsx b/test/components/views/dialogs/AccessSecretStorageDialog-test.tsx
index 5503db537bc..686e5d558b4 100644
--- a/test/components/views/dialogs/AccessSecretStorageDialog-test.tsx
+++ b/test/components/views/dialogs/AccessSecretStorageDialog-test.tsx
@@ -20,7 +20,7 @@ import { mount, ReactWrapper } from 'enzyme';
 import { act } from 'react-dom/test-utils';
 import { IPassphraseInfo } from 'matrix-js-sdk/src/crypto/api';
 
-import { findByTestId, getMockClientWithEventEmitter, unmockClientPeg } from '../../../test-utils';
+import { findByAttr, getMockClientWithEventEmitter, unmockClientPeg } from '../../../test-utils';
 import { findById, flushPromises } from '../../../test-utils';
 import AccessSecretStorageDialog from "../../../../src/components/views/dialogs/security/AccessSecretStorageDialog";
 
@@ -91,7 +91,7 @@ describe("AccessSecretStorageDialog", () => {
             wrapper.setProps({});
         });
 
-        const submitButton = findByTestId(wrapper, 'dialog-primary-button').at(0);
+        const submitButton = findByAttr('data-testid')(wrapper, 'dialog-primary-button').at(0);
         // submit button is enabled when key is valid
         expect(submitButton.props().disabled).toBeFalsy();
         expect(wrapper.find('.mx_AccessSecretStorageDialog_recoveryKeyFeedback').text()).toEqual('Looks good!');
@@ -112,7 +112,7 @@ describe("AccessSecretStorageDialog", () => {
         // @ts-ignore private
         await wrapper.instance().validateRecoveryKey();
 
-        const submitButton = findByTestId(wrapper, 'dialog-primary-button').at(0);
+        const submitButton = findByAttr('data-testid')(wrapper, 'dialog-primary-button').at(0);
         // submit button is disabled when recovery key is invalid
         expect(submitButton.props().disabled).toBeTruthy();
         expect(
diff --git a/test/components/views/dialogs/ExportDialog-test.tsx b/test/components/views/dialogs/ExportDialog-test.tsx
index c6ddda04ff5..ae4f517399c 100644
--- a/test/components/views/dialogs/ExportDialog-test.tsx
+++ b/test/components/views/dialogs/ExportDialog-test.tsx
@@ -65,8 +65,8 @@ describe('<ExportDialog />', () => {
     const getAttachmentsCheckbox = (component) => component.find('input[id="include-attachments"]');
     const getMessageCountInput = (component) => component.find('input[id="message-count"]');
     const getExportFormatInput = (component, format) => component.find(`input[id="exportFormat-${format}"]`);
-    const getPrimaryButton = (component) => component.find('[data-test-id="dialog-primary-button"]');
-    const getSecondaryButton = (component) => component.find('[data-test-id="dialog-cancel-button"]');
+    const getPrimaryButton = (component) => component.find('[data-testid="dialog-primary-button"]');
+    const getSecondaryButton = (component) => component.find('[data-testid="dialog-cancel-button"]');
 
     const submitForm = async (component) => act(async () => {
         getPrimaryButton(component).simulate('click');
diff --git a/test/components/views/dialogs/__snapshots__/ChangelogDialog-test.tsx.snap b/test/components/views/dialogs/__snapshots__/ChangelogDialog-test.tsx.snap
index af044252bbc..99dd8e031f5 100644
--- a/test/components/views/dialogs/__snapshots__/ChangelogDialog-test.tsx.snap
+++ b/test/components/views/dialogs/__snapshots__/ChangelogDialog-test.tsx.snap
@@ -111,14 +111,14 @@ exports[`<ChangelogDialog /> should fetch github proxy url for each repo with ol
         class="mx_Dialog_buttons_row"
       >
         <button
-          data-test-id="dialog-cancel-button"
+          data-testid="dialog-cancel-button"
           type="button"
         >
           Cancel
         </button>
         <button
           class="mx_Dialog_primary"
-          data-test-id="dialog-primary-button"
+          data-testid="dialog-primary-button"
           type="button"
         >
           Update
diff --git a/test/components/views/dialogs/__snapshots__/ExportDialog-test.tsx.snap b/test/components/views/dialogs/__snapshots__/ExportDialog-test.tsx.snap
index b922d8b8ba3..590f85072e0 100644
--- a/test/components/views/dialogs/__snapshots__/ExportDialog-test.tsx.snap
+++ b/test/components/views/dialogs/__snapshots__/ExportDialog-test.tsx.snap
@@ -249,14 +249,14 @@ Array [
                   class="mx_Dialog_buttons_row"
                 >
                   <button
-                    data-test-id="dialog-cancel-button"
+                    data-testid="dialog-cancel-button"
                     type="button"
                   >
                     Cancel
                   </button>
                   <button
                     class="mx_Dialog_primary"
-                    data-test-id="dialog-primary-button"
+                    data-testid="dialog-primary-button"
                     type="button"
                   >
                     Export
@@ -474,14 +474,14 @@ Array [
                     class="mx_Dialog_buttons_row"
                   >
                     <button
-                      data-test-id="dialog-cancel-button"
+                      data-testid="dialog-cancel-button"
                       type="button"
                     >
                       Cancel
                     </button>
                     <button
                       class="mx_Dialog_primary"
-                      data-test-id="dialog-primary-button"
+                      data-testid="dialog-primary-button"
                       type="button"
                     >
                       Export
@@ -827,7 +827,7 @@ Array [
                 className="mx_Dialog_buttons_row"
               >
                 <button
-                  data-test-id="dialog-cancel-button"
+                  data-testid="dialog-cancel-button"
                   disabled={false}
                   onClick={[Function]}
                   type="button"
@@ -836,7 +836,7 @@ Array [
                 </button>
                 <button
                   className="mx_Dialog_primary"
-                  data-test-id="dialog-primary-button"
+                  data-testid="dialog-primary-button"
                   onClick={[Function]}
                   type="button"
                 >
@@ -1102,14 +1102,14 @@ Array [
                 class="mx_Dialog_buttons_row"
               >
                 <button
-                  data-test-id="dialog-cancel-button"
+                  data-testid="dialog-cancel-button"
                   type="button"
                 >
                   Cancel
                 </button>
                 <button
                   class="mx_Dialog_primary"
-                  data-test-id="dialog-primary-button"
+                  data-testid="dialog-primary-button"
                   type="button"
                 >
                   Export
@@ -1327,14 +1327,14 @@ Array [
                   class="mx_Dialog_buttons_row"
                 >
                   <button
-                    data-test-id="dialog-cancel-button"
+                    data-testid="dialog-cancel-button"
                     type="button"
                   >
                     Cancel
                   </button>
                   <button
                     class="mx_Dialog_primary"
-                    data-test-id="dialog-primary-button"
+                    data-testid="dialog-primary-button"
                     type="button"
                   >
                     Export
@@ -1680,7 +1680,7 @@ Array [
               className="mx_Dialog_buttons_row"
             >
               <button
-                data-test-id="dialog-cancel-button"
+                data-testid="dialog-cancel-button"
                 disabled={false}
                 onClick={[Function]}
                 type="button"
@@ -1689,7 +1689,7 @@ Array [
               </button>
               <button
                 className="mx_Dialog_primary"
-                data-test-id="dialog-primary-button"
+                data-testid="dialog-primary-button"
                 onClick={[Function]}
                 type="button"
               >
@@ -1942,14 +1942,14 @@ Array [
               class="mx_Dialog_buttons_row"
             >
               <button
-                data-test-id="dialog-cancel-button"
+                data-testid="dialog-cancel-button"
                 type="button"
               >
                 Cancel
               </button>
               <button
                 class="mx_Dialog_primary"
-                data-test-id="dialog-primary-button"
+                data-testid="dialog-primary-button"
                 type="button"
               >
                 Export
@@ -2167,14 +2167,14 @@ Array [
                 class="mx_Dialog_buttons_row"
               >
                 <button
-                  data-test-id="dialog-cancel-button"
+                  data-testid="dialog-cancel-button"
                   type="button"
                 >
                   Cancel
                 </button>
                 <button
                   class="mx_Dialog_primary"
-                  data-test-id="dialog-primary-button"
+                  data-testid="dialog-primary-button"
                   type="button"
                 >
                   Export
@@ -2520,7 +2520,7 @@ Array [
             className="mx_Dialog_buttons_row"
           >
             <button
-              data-test-id="dialog-cancel-button"
+              data-testid="dialog-cancel-button"
               disabled={false}
               onClick={[Function]}
               type="button"
@@ -2529,7 +2529,7 @@ Array [
             </button>
             <button
               className="mx_Dialog_primary"
-              data-test-id="dialog-primary-button"
+              data-testid="dialog-primary-button"
               onClick={[Function]}
               type="button"
             >
@@ -2873,7 +2873,7 @@ Array [
           className="mx_Dialog_buttons_row"
         >
           <button
-            data-test-id="dialog-cancel-button"
+            data-testid="dialog-cancel-button"
             disabled={false}
             onClick={[Function]}
             type="button"
@@ -2882,7 +2882,7 @@ Array [
           </button>
           <button
             className="mx_Dialog_primary"
-            data-test-id="dialog-primary-button"
+            data-testid="dialog-primary-button"
             onClick={[Function]}
             type="button"
           >
diff --git a/test/components/views/settings/tabs/user/SessionManagerTab-test.tsx b/test/components/views/settings/tabs/user/SessionManagerTab-test.tsx
index e9dd3529036..f5c6e81e5cb 100644
--- a/test/components/views/settings/tabs/user/SessionManagerTab-test.tsx
+++ b/test/components/views/settings/tabs/user/SessionManagerTab-test.tsx
@@ -29,13 +29,13 @@ import {
     MatrixEvent,
     PUSHER_DEVICE_ID,
     PUSHER_ENABLED,
+    IAuthData,
 } from 'matrix-js-sdk/src/matrix';
 
 import SessionManagerTab from '../../../../../../src/components/views/settings/tabs/user/SessionManagerTab';
 import MatrixClientContext from '../../../../../../src/contexts/MatrixClientContext';
 import {
     flushPromises,
-    flushPromisesWithFakeTimers,
     getMockClientWithEventEmitter,
     mkPusher,
     mockClientMethodsUser,
@@ -138,7 +138,7 @@ describe('<SessionManagerTab />', () => {
 
         fireEvent.click(dropdown as Element);
         // tick to let dropdown render
-        await flushPromisesWithFakeTimers();
+        await flushPromises();
 
         fireEvent.click(container.querySelector(`#device-list-filter__${option}`) as Element);
     });
@@ -152,6 +152,19 @@ describe('<SessionManagerTab />', () => {
         getByTestId: ReturnType<typeof render>['getByTestId'],
     ): boolean => !!(getByTestId('device-select-all-checkbox') as HTMLInputElement).checked;
 
+    const confirmSignout = async (
+        getByTestId: ReturnType<typeof render>['getByTestId'],
+        confirm = true,
+    ): Promise<void> => {
+        // modal has sleeps in rendering process :(
+        await sleep(100);
+        const buttonId = confirm ? 'dialog-primary-button' : 'dialog-cancel-button';
+        fireEvent.click(getByTestId(buttonId));
+
+        // flush the confirmation promise
+        await flushPromises();
+    };
+
     beforeEach(() => {
         jest.clearAllMocks();
         jest.spyOn(logger, 'error').mockRestore();
@@ -188,6 +201,10 @@ describe('<SessionManagerTab />', () => {
                     });
                 }
             });
+
+        // sometimes a verification modal is in modal state when these tests run
+        // make sure the coast is clear
+        Modal.closeCurrentModal('');
     });
 
     it('renders spinner while devices load', () => {
@@ -201,7 +218,7 @@ describe('<SessionManagerTab />', () => {
         expect(mockClient.getDevices).toHaveBeenCalled();
 
         await act(async () => {
-            await flushPromisesWithFakeTimers();
+            await flushPromises();
         });
         expect(container.getElementsByClassName('mx_Spinner').length).toBeFalsy();
     });
@@ -213,7 +230,7 @@ describe('<SessionManagerTab />', () => {
         const { container } = render(getComponent());
 
         await act(async () => {
-            await flushPromisesWithFakeTimers();
+            await flushPromises();
         });
         expect(container.getElementsByClassName('mx_Spinner').length).toBeFalsy();
     });
@@ -226,7 +243,7 @@ describe('<SessionManagerTab />', () => {
         render(getComponent());
 
         await act(async () => {
-            await flushPromisesWithFakeTimers();
+            await flushPromises();
         });
 
         // called for each device despite error
@@ -246,7 +263,7 @@ describe('<SessionManagerTab />', () => {
         const { getByTestId } = render(getComponent());
 
         await act(async () => {
-            await flushPromisesWithFakeTimers();
+            await flushPromises();
         });
 
         expect(mockCrossSigningInfo.checkDeviceTrust).toHaveBeenCalledTimes(2);
@@ -270,7 +287,7 @@ describe('<SessionManagerTab />', () => {
         const { getByTestId } = render(getComponent());
 
         await act(async () => {
-            await flushPromisesWithFakeTimers();
+            await flushPromises();
         });
 
         // twice for each device
@@ -287,7 +304,7 @@ describe('<SessionManagerTab />', () => {
         const { getByTestId, queryByTestId } = render(getComponent());
 
         await act(async () => {
-            await flushPromisesWithFakeTimers();
+            await flushPromises();
         });
 
         toggleDeviceDetails(getByTestId, alicesDevice.device_id);
@@ -300,7 +317,7 @@ describe('<SessionManagerTab />', () => {
         const { queryByTestId } = render(getComponent());
 
         await act(async () => {
-            await flushPromisesWithFakeTimers();
+            await flushPromises();
         });
 
         expect(queryByTestId('other-sessions-section')).toBeFalsy();
@@ -313,7 +330,7 @@ describe('<SessionManagerTab />', () => {
         const { getByTestId } = render(getComponent());
 
         await act(async () => {
-            await flushPromisesWithFakeTimers();
+            await flushPromises();
         });
 
         expect(getByTestId('other-sessions-section')).toBeTruthy();
@@ -324,13 +341,13 @@ describe('<SessionManagerTab />', () => {
         const { getByTestId, container } = render(getComponent());
 
         await act(async () => {
-            await flushPromisesWithFakeTimers();
+            await flushPromises();
         });
 
         fireEvent.click(getByTestId('unverified-devices-cta'));
 
         // our session manager waits a tick for rerender
-        await flushPromisesWithFakeTimers();
+        await flushPromises();
 
         // unverified filter is set
         expect(container.querySelector('.mx_FilteredDeviceListHeader')).toMatchSnapshot();
@@ -346,7 +363,7 @@ describe('<SessionManagerTab />', () => {
             mockClient.getDevices.mockResolvedValue({ devices: [] });
             const { getByTestId } = render(getComponent());
             await act(async () => {
-                await flushPromisesWithFakeTimers();
+                await flushPromises();
             });
 
             expect(getByTestId('current-session-menu').getAttribute('aria-disabled')).toBeTruthy();
@@ -357,7 +374,7 @@ describe('<SessionManagerTab />', () => {
             const { getByTestId } = render(getComponent());
 
             await act(async () => {
-                await flushPromisesWithFakeTimers();
+                await flushPromises();
             });
 
             expect(getByTestId('current-session-section')).toMatchSnapshot();
@@ -369,7 +386,7 @@ describe('<SessionManagerTab />', () => {
             const modalSpy = jest.spyOn(Modal, 'createDialog');
 
             await act(async () => {
-                await flushPromisesWithFakeTimers();
+                await flushPromises();
             });
 
             // click verify button from current session section
@@ -387,7 +404,7 @@ describe('<SessionManagerTab />', () => {
             const { getByTestId } = render(getComponent());
 
             await act(async () => {
-                await flushPromisesWithFakeTimers();
+                await flushPromises();
             });
 
             expect(getByTestId('current-session-section')).toMatchSnapshot();
@@ -402,7 +419,7 @@ describe('<SessionManagerTab />', () => {
             const { getByTestId } = render(getComponent());
 
             await act(async () => {
-                await flushPromisesWithFakeTimers();
+                await flushPromises();
             });
 
             const otherSessionsSection = getByTestId('other-sessions-section');
@@ -418,7 +435,7 @@ describe('<SessionManagerTab />', () => {
             const { getByTestId, queryByTestId } = render(getComponent());
 
             await act(async () => {
-                await flushPromisesWithFakeTimers();
+                await flushPromises();
             });
 
             toggleDeviceDetails(getByTestId, alicesOlderMobileDevice.device_id);
@@ -449,7 +466,7 @@ describe('<SessionManagerTab />', () => {
             const { getByTestId, queryByTestId } = render(getComponent());
 
             await act(async () => {
-                await flushPromisesWithFakeTimers();
+                await flushPromises();
             });
 
             toggleDeviceDetails(getByTestId, alicesOlderMobileDevice.device_id);
@@ -475,7 +492,7 @@ describe('<SessionManagerTab />', () => {
             const { getByTestId } = render(getComponent());
 
             await act(async () => {
-                await flushPromisesWithFakeTimers();
+                await flushPromises();
             });
 
             toggleDeviceDetails(getByTestId, alicesMobileDevice.device_id);
@@ -504,7 +521,7 @@ describe('<SessionManagerTab />', () => {
             const { getByTestId } = render(getComponent());
 
             await act(async () => {
-                await flushPromisesWithFakeTimers();
+                await flushPromises();
             });
 
             toggleDeviceDetails(getByTestId, alicesMobileDevice.device_id);
@@ -534,7 +551,7 @@ describe('<SessionManagerTab />', () => {
             const { getByTestId } = render(getComponent());
 
             await act(async () => {
-                await flushPromisesWithFakeTimers();
+                await flushPromises();
             });
 
             toggleDeviceDetails(getByTestId, alicesDevice.device_id);
@@ -553,7 +570,7 @@ describe('<SessionManagerTab />', () => {
             const { getByTestId, getByLabelText } = render(getComponent());
 
             await act(async () => {
-                await flushPromisesWithFakeTimers();
+                await flushPromises();
             });
 
             fireEvent.click(getByTestId('current-session-menu'));
@@ -568,7 +585,7 @@ describe('<SessionManagerTab />', () => {
             const { getByTestId, queryByLabelText } = render(getComponent());
 
             await act(async () => {
-                await flushPromisesWithFakeTimers();
+                await flushPromises();
             });
 
             fireEvent.click(getByTestId('current-session-menu'));
@@ -582,11 +599,12 @@ describe('<SessionManagerTab />', () => {
             const { getByTestId, getByLabelText } = render(getComponent());
 
             await act(async () => {
-                await flushPromisesWithFakeTimers();
+                await flushPromises();
             });
 
             fireEvent.click(getByTestId('current-session-menu'));
             fireEvent.click(getByLabelText('Sign out all other sessions'));
+            await confirmSignout(getByTestId);
 
             // other devices deleted, excluding current device
             expect(mockClient.deleteMultipleDevices).toHaveBeenCalledWith([
@@ -611,7 +629,7 @@ describe('<SessionManagerTab />', () => {
                 const { getByTestId } = render(getComponent());
 
                 await act(async () => {
-                    await flushPromisesWithFakeTimers();
+                    await flushPromises();
                 });
 
                 toggleDeviceDetails(getByTestId, alicesMobileDevice.device_id);
@@ -622,6 +640,8 @@ describe('<SessionManagerTab />', () => {
                 ) as Element;
                 fireEvent.click(signOutButton);
 
+                await confirmSignout(getByTestId);
+
                 // sign out button is disabled with spinner
                 expect((deviceDetails.querySelector(
                     '[data-testid="device-detail-sign-out-cta"]',
@@ -631,12 +651,37 @@ describe('<SessionManagerTab />', () => {
                     [alicesMobileDevice.device_id], undefined,
                 );
 
-                await flushPromisesWithFakeTimers();
+                await flushPromises();
 
                 // devices refreshed
                 expect(mockClient.getDevices).toHaveBeenCalled();
             });
 
+            it('deletes a device when interactive auth is not required', async () => {
+                const { getByTestId } = render(getComponent());
+
+                await act(async () => {
+                    await flushPromises();
+                });
+
+                toggleDeviceDetails(getByTestId, alicesMobileDevice.device_id);
+
+                const deviceDetails = getByTestId(`device-detail-${alicesMobileDevice.device_id}`);
+                const signOutButton = deviceDetails.querySelector(
+                    '[data-testid="device-detail-sign-out-cta"]',
+                ) as Element;
+                fireEvent.click(signOutButton);
+
+                await confirmSignout(getByTestId, false);
+
+                // doesnt enter loading state
+                expect((deviceDetails.querySelector(
+                    '[data-testid="device-detail-sign-out-cta"]',
+                ) as Element).getAttribute('aria-disabled')).toEqual(null);
+                // delete not called
+                expect(mockClient.deleteMultipleDevices).not.toHaveBeenCalled();
+            });
+
             it('deletes a device when interactive auth is required', async () => {
                 mockClient.deleteMultipleDevices
                     // require auth
@@ -652,7 +697,7 @@ describe('<SessionManagerTab />', () => {
                 const { getByTestId, getByLabelText } = render(getComponent());
 
                 await act(async () => {
-                    await flushPromisesWithFakeTimers();
+                    await flushPromises();
                 });
 
                 // reset mock count after initial load
@@ -665,8 +710,9 @@ describe('<SessionManagerTab />', () => {
                     '[data-testid="device-detail-sign-out-cta"]',
                 ) as Element;
                 fireEvent.click(signOutButton);
+                await confirmSignout(getByTestId);
 
-                await flushPromisesWithFakeTimers();
+                await flushPromises();
                 // modal rendering has some weird sleeps
                 await sleep(100);
 
@@ -683,7 +729,7 @@ describe('<SessionManagerTab />', () => {
                     fireEvent.submit(getByLabelText('Password'));
                 });
 
-                await flushPromisesWithFakeTimers();
+                await flushPromises();
 
                 // called again with auth
                 expect(mockClient.deleteMultipleDevices).toHaveBeenCalledWith([alicesMobileDevice.device_id],
@@ -708,7 +754,7 @@ describe('<SessionManagerTab />', () => {
                 const { getByTestId, getByLabelText } = render(getComponent());
 
                 await act(async () => {
-                    await flushPromisesWithFakeTimers();
+                    await flushPromises();
                 });
 
                 toggleDeviceDetails(getByTestId, alicesMobileDevice.device_id);
@@ -718,13 +764,14 @@ describe('<SessionManagerTab />', () => {
                     '[data-testid="device-detail-sign-out-cta"]',
                 ) as Element;
                 fireEvent.click(signOutButton);
+                await confirmSignout(getByTestId);
 
                 // button is loading
                 expect((deviceDetails.querySelector(
                     '[data-testid="device-detail-sign-out-cta"]',
                 ) as Element).getAttribute('aria-disabled')).toEqual("true");
 
-                await flushPromisesWithFakeTimers();
+                await flushPromises();
 
                 // Modal rendering has some weird sleeps.
                 // Resetting ourselves twice in the main loop gives modal the chance to settle.
@@ -743,7 +790,7 @@ describe('<SessionManagerTab />', () => {
                     fireEvent.click(getByLabelText('Close dialog'));
                 });
 
-                await flushPromisesWithFakeTimers();
+                await flushPromises();
 
                 // not called again
                 expect(mockClient.deleteMultipleDevices).toHaveBeenCalledTimes(1);
@@ -761,12 +808,21 @@ describe('<SessionManagerTab />', () => {
                     alicesDevice, alicesMobileDevice, alicesOlderMobileDevice,
                     alicesInactiveDevice,
                 ] });
-                mockClient.deleteMultipleDevices.mockResolvedValue({});
+                // get a handle for resolving the delete call
+                // because promise flushing after the confirm modal is resolving this too
+                // and we want to test the loading state here
+                let resolveDeleteRequest;
+                mockClient.deleteMultipleDevices.mockImplementation(() => {
+                    const promise = new Promise<IAuthData>(resolve => {
+                        resolveDeleteRequest = resolve;
+                    });
+                    return promise;
+                });
 
                 const { getByTestId } = render(getComponent());
 
                 await act(async () => {
-                    await flushPromisesWithFakeTimers();
+                    await flushPromises();
                 });
 
                 toggleDeviceSelection(getByTestId, alicesMobileDevice.device_id);
@@ -774,6 +830,8 @@ describe('<SessionManagerTab />', () => {
 
                 fireEvent.click(getByTestId('sign-out-selection-cta'));
 
+                await confirmSignout(getByTestId);
+
                 // buttons disabled in list header
                 expect(getByTestId('sign-out-selection-cta').getAttribute('aria-disabled')).toBeTruthy();
                 expect(getByTestId('cancel-selection-cta').getAttribute('aria-disabled')).toBeTruthy();
@@ -800,6 +858,8 @@ describe('<SessionManagerTab />', () => {
                     ],
                     undefined,
                 );
+
+                resolveDeleteRequest?.();
             });
         });
     });
@@ -819,15 +879,15 @@ describe('<SessionManagerTab />', () => {
             fireEvent.change(input, { target: { value: newDeviceName } });
             fireEvent.click(getByTestId('device-rename-submit-cta'));
 
-            await flushPromisesWithFakeTimers();
-            await flushPromisesWithFakeTimers();
+            await flushPromises();
+            await flushPromises();
         };
 
         it('renames current session', async () => {
             const { getByTestId } = render(getComponent());
 
             await act(async () => {
-                await flushPromisesWithFakeTimers();
+                await flushPromises();
             });
 
             const newDeviceName = 'new device name';
@@ -844,7 +904,7 @@ describe('<SessionManagerTab />', () => {
             const { getByTestId } = render(getComponent());
 
             await act(async () => {
-                await flushPromisesWithFakeTimers();
+                await flushPromises();
             });
 
             const newDeviceName = 'new device name';
@@ -861,7 +921,7 @@ describe('<SessionManagerTab />', () => {
             const { getByTestId } = render(getComponent());
 
             await act(async () => {
-                await flushPromisesWithFakeTimers();
+                await flushPromises();
             });
 
             await updateDeviceName(getByTestId, alicesDevice, alicesDevice.display_name);
@@ -875,7 +935,7 @@ describe('<SessionManagerTab />', () => {
             const { getByTestId } = render(getComponent());
 
             await act(async () => {
-                await flushPromisesWithFakeTimers();
+                await flushPromises();
             });
 
             await updateDeviceName(getByTestId, alicesDevice, '');
@@ -891,13 +951,13 @@ describe('<SessionManagerTab />', () => {
             const { getByTestId } = render(getComponent());
 
             await act(async () => {
-                await flushPromisesWithFakeTimers();
+                await flushPromises();
             });
 
             const newDeviceName = 'new device name';
             await updateDeviceName(getByTestId, alicesDevice, newDeviceName);
 
-            await flushPromisesWithFakeTimers();
+            await flushPromises();
 
             expect(logSpy).toHaveBeenCalledWith("Error setting session display name", error);
 
@@ -917,7 +977,7 @@ describe('<SessionManagerTab />', () => {
             const { getByTestId, getByText } = render(getComponent());
 
             await act(async () => {
-                await flushPromisesWithFakeTimers();
+                await flushPromises();
             });
 
             toggleDeviceSelection(getByTestId, alicesMobileDevice.device_id);
@@ -941,7 +1001,7 @@ describe('<SessionManagerTab />', () => {
             const { getByTestId, getByText } = render(getComponent());
 
             await act(async () => {
-                await flushPromisesWithFakeTimers();
+                await flushPromises();
             });
 
             toggleDeviceSelection(getByTestId, alicesMobileDevice.device_id);
@@ -961,7 +1021,7 @@ describe('<SessionManagerTab />', () => {
             const { getByTestId } = render(getComponent());
 
             await act(async () => {
-                await flushPromisesWithFakeTimers();
+                await flushPromises();
             });
 
             toggleDeviceSelection(getByTestId, alicesMobileDevice.device_id);
@@ -970,7 +1030,7 @@ describe('<SessionManagerTab />', () => {
             fireEvent.click(getByTestId('unverified-devices-cta'));
 
             // our session manager waits a tick for rerender
-            await flushPromisesWithFakeTimers();
+            await flushPromises();
 
             // unselected
             expect(isDeviceSelected(getByTestId, alicesOlderMobileDevice.device_id)).toBeFalsy();
@@ -981,7 +1041,7 @@ describe('<SessionManagerTab />', () => {
                 const { getByTestId, getByText } = render(getComponent());
 
                 await act(async () => {
-                    await flushPromisesWithFakeTimers();
+                    await flushPromises();
                 });
 
                 fireEvent.click(getByTestId('device-select-all-checkbox'));
@@ -999,7 +1059,7 @@ describe('<SessionManagerTab />', () => {
                 const { getByTestId, getByText } = render(getComponent());
 
                 await act(async () => {
-                    await flushPromisesWithFakeTimers();
+                    await flushPromises();
                 });
 
                 toggleDeviceSelection(getByTestId, alicesMobileDevice.device_id);
@@ -1019,7 +1079,7 @@ describe('<SessionManagerTab />', () => {
                 const { getByTestId, getByText } = render(getComponent());
 
                 await act(async () => {
-                    await flushPromisesWithFakeTimers();
+                    await flushPromises();
                 });
 
                 fireEvent.click(getByTestId('device-select-all-checkbox'));
@@ -1042,7 +1102,7 @@ describe('<SessionManagerTab />', () => {
                 const { getByTestId, container } = render(getComponent());
 
                 await act(async () => {
-                    await flushPromisesWithFakeTimers();
+                    await flushPromises();
                 });
 
                 // filter for inactive sessions
@@ -1055,6 +1115,7 @@ describe('<SessionManagerTab />', () => {
 
                 // sign out of all selected sessions
                 fireEvent.click(getByTestId('sign-out-selection-cta'));
+                await confirmSignout(getByTestId);
 
                 // only called with session from active filter
                 expect(mockClient.deleteMultipleDevices).toHaveBeenCalledWith(
@@ -1071,7 +1132,7 @@ describe('<SessionManagerTab />', () => {
         const { getByTestId } = render(getComponent());
 
         await act(async () => {
-            await flushPromisesWithFakeTimers();
+            await flushPromises();
         });
 
         toggleDeviceDetails(getByTestId, alicesMobileDevice.device_id);
@@ -1092,7 +1153,7 @@ describe('<SessionManagerTab />', () => {
         const { getByTestId } = render(getComponent());
 
         await act(async () => {
-            await flushPromisesWithFakeTimers();
+            await flushPromises();
         });
 
         toggleDeviceDetails(getByTestId, alicesDevice.device_id);
@@ -1116,7 +1177,7 @@ describe('<SessionManagerTab />', () => {
         const { getByTestId } = render(getComponent());
 
         await act(async () => {
-            await flushPromisesWithFakeTimers();
+            await flushPromises();
         });
 
         toggleDeviceDetails(getByTestId, alicesDevice.device_id);