diff --git a/src/test/java/org/htmlunit/html/serializer/HtmlSerializerInnerOuterText2Test.java b/src/test/java/org/htmlunit/html/serializer/HtmlSerializerInnerOuterText2Test.java
index 703d7f2849..5b5e50bf43 100644
--- a/src/test/java/org/htmlunit/html/serializer/HtmlSerializerInnerOuterText2Test.java
+++ b/src/test/java/org/htmlunit/html/serializer/HtmlSerializerInnerOuterText2Test.java
@@ -467,7 +467,6 @@ public void getInnerTextWhiteSpaceDivPreWrap() throws Exception {
      */
     @Test
     @Alerts(DEFAULT = "A B C D\nEF\nG\nH\nI",
-            FF = "A B C D\nEFGH\nI",
             FF_ESR = "A B C D\nEFGH\nI")
     @HtmlUnitNYI(CHROME = "A B C D\nEF\nG\nH\n I",
             EDGE = "A B C D\nEF\nG\nH\n I",
@@ -552,7 +551,6 @@ public void getInnerTextWhiteSpacePrePreWrap() throws Exception {
      */
     @Test
     @Alerts(DEFAULT = "A B C D\nEF\nG\nH\nI",
-            FF = "A B C D\nEFGH\nI",
             FF_ESR = "A B C D\nEFGH\nI")
     @HtmlUnitNYI(CHROME = "A B C D\nEF\nG\nH\n I",
             EDGE = "A B C D\nEF\nG\nH\n I",
@@ -1318,7 +1316,7 @@ public void getInnerTextWhiteSpaceOrderedListPreWrap() throws Exception {
     @Test
     @Alerts(DEFAULT = "\n\nfirst item\n\n\nA B C D\nEF\nG\nH\nI"
                 + "\n\n\nthird item\n4. item\n\nsome text\n\nlast item\n\n",
-            FF = "first item\nA B C D\nEFGH\nI\nthird item\n4. item\nsome text\nlast item",
+            FF = "first item\nA B C D\nEF\nG\nH\nI\nthird item\n4. item\nsome text\n\nlast item",
             FF_ESR = "first item\nA B C D\nEFGH\nI\nthird item\n4. item\nsome text\nlast item")
     @HtmlUnitNYI(CHROME = "first item\n\n\n A B C D\nEF\nG\nH\n I"
                 + "\n\n\nthird item\n4. item\n\nsome text\n\nlast item\n\n",
@@ -1427,7 +1425,7 @@ public void getInnerTextWhiteSpaceUnorderedListPreWrap() throws Exception {
     @Test
     @Alerts(DEFAULT = "\n\nfirst item\n\n\nA B C D\nEF\nG\nH\nI\n"
                 + "\n\nthird item\n4. item\n\nsome text\n\nlast item\n\n",
-            FF = "first item\nA B C D\nEFGH\nI\nthird item\n4. item\nsome text\nlast item",
+            FF = "first item\nA B C D\nEF\nG\nH\nI\nthird item\n4. item\nsome text\n\nlast item",
             FF_ESR = "first item\nA B C D\nEFGH\nI\nthird item\n4. item\nsome text\nlast item")
     @HtmlUnitNYI(CHROME = "first item\n\n\n A B C D\nEF\nG\nH\n I"
                 + "\n\n\nthird item\n4. item\n\nsome text\n\nlast item\n\n",
diff --git a/src/test/java/org/htmlunit/html/serializer/HtmlSerializerVisibleText2Test.java b/src/test/java/org/htmlunit/html/serializer/HtmlSerializerVisibleText2Test.java
index 64bd4b7d91..e28883bbaa 100644
--- a/src/test/java/org/htmlunit/html/serializer/HtmlSerializerVisibleText2Test.java
+++ b/src/test/java/org/htmlunit/html/serializer/HtmlSerializerVisibleText2Test.java
@@ -800,8 +800,8 @@ private void getVisibleTextWhiteSpaceTitle(final String whiteSpace) throws Excep
      */
     @Test
     @Alerts(DEFAULT = "A B C D EF G H I\nSecond",
-            CHROME = "       A B C D EF G H I\n      Second\n    ",
-            EDGE = "       A B C D EF G H I\n      Second\n    ")
+            CHROME = "       A B C D EF G H\nI\n      Second\n    ",
+            EDGE = "       A B C D EF G H\nI\n      Second\n    ")
     @HtmlUnitNYI(CHROME = "A B C D EF G H I\nSecond",
             EDGE = "A B C D EF G H I\nSecond")
     public void getVisibleTextWhiteSpaceSelect() throws Exception {
@@ -813,7 +813,11 @@ public void getVisibleTextWhiteSpaceSelect() throws Exception {
      * @throws Exception if the test fails
      */
     @Test
-    @Alerts("A B C D EF G H I\nSecond")
+    @Alerts(DEFAULT = "A B C D EF G H\nI\nSecond",
+            FF = "A B C D EF G H I\nSecond",
+            FF_ESR = "A B C D EF G H I\nSecond")
+    @HtmlUnitNYI(CHROME = "A B C D EF G H I\nSecond",
+            EDGE = "A B C D EF G H I\nSecond")
     public void getVisibleTextWhiteSpaceSelectNormal() throws Exception {
         getVisibleTextWhiteSpaceSelect("normal");
     }
@@ -823,7 +827,11 @@ public void getVisibleTextWhiteSpaceSelectNormal() throws Exception {
      * @throws Exception if the test fails
      */
     @Test
-    @Alerts("A B C D EF G H I\nSecond")
+    @Alerts(DEFAULT = "A B C D EF G H\nI\nSecond",
+            FF = "A B C D EF G H I\nSecond",
+            FF_ESR = "A B C D EF G H I\nSecond")
+    @HtmlUnitNYI(CHROME = "A B C D EF G H I\nSecond",
+            EDGE = "A B C D EF G H I\nSecond")
     public void getVisibleTextWhiteSpaceSelectNowrap() throws Exception {
         getVisibleTextWhiteSpaceSelect("nowrap");
     }
@@ -833,7 +841,7 @@ public void getVisibleTextWhiteSpaceSelectNowrap() throws Exception {
      * @throws Exception if the test fails
      */
     @Test
-    @Alerts(DEFAULT = "       A B C D EF G H I\n      Second\n    ",
+    @Alerts(DEFAULT = "       A B C D EF G H\nI\n      Second\n    ",
             FF = "A B C D EF G H I\nSecond",
             FF_ESR = "A B C D EF G H I\nSecond")
     @HtmlUnitNYI(CHROME = "        A B  C     D \nEF\nG \n H   I  \n      Second\n    ",
@@ -849,7 +857,7 @@ public void getVisibleTextWhiteSpaceSelectPre() throws Exception {
      * @throws Exception if the test fails
      */
     @Test
-    @Alerts(DEFAULT = "       A B C D EF G H I\n      Second\n    ",
+    @Alerts(DEFAULT = "       A B C D EF G H\nI\n      Second\n    ",
             FF = "A B C D EF G H I\nSecond",
             FF_ESR = "A B C D EF G H I\nSecond")
     @HtmlUnitNYI(CHROME = "        A B  C     D \nEF\nG \n H   I  \n      Second\n    ",
@@ -865,7 +873,9 @@ public void getVisibleTextWhiteSpaceSelectPreWrap() throws Exception {
      * @throws Exception if the test fails
      */
     @Test
-    @Alerts("A B C D EF G H I\nSecond")
+    @Alerts(DEFAULT = "A B C D EF G H\nI\nSecond",
+            FF = "A B C D EF G H I\nSecond",
+            FF_ESR = "A B C D EF G H I\nSecond")
     @HtmlUnitNYI(CHROME = "A B C D \nEF\nG \n H I\n Second",
             EDGE = "A B C D \nEF\nG \n H I\n Second",
             FF = "A B C D \nEF\nG \n H I\n Second",