Add failing test reproducing Issue ViewComponent#1910

test/sandbox/spec/components/inline_level3_component_spec.rb

@@ -0,0 +1,30 @@
+describe InlineLevel3Component do
+  context "reproduce #1910: issues with #within Matcher" do
+    it "raises an error if the given locator is not found" do
+      render_inline(described_class.new)
+
+      # Confidence check.
+      expect(page).to have_css ".level3-component .level2-component .level1-component", text: "Level 1 component"
+
+      expect {
+        within ".does-not-exist-selector" do
+          expect(page).not_to have_css ".level3-component"
+        end
+      }.to raise_error(Capybara::ExpectationNotMet)
+    end
+
+    it "evaluates the given block when the locator is found" do
+      render_inline(described_class.new)
+
+      # Confidence check.
+      expect(page).to have_css ".level3-component .level2-component .level1-component", text: "Level 1 component"
+
+      expect {
+        within ".level3-component" do
+          raise "hello"
+        end
+      }.to raise_error("hello")
+    end
+  end
+end
+