Bug 2020985 - Re-enable two PB related text selection UI tests r=dpop

The UI tests were disabled when the composable toolbar and main menu were enabled.

Had to make some small changes to get them work again.

Both UI tests successfully passed 100x on Firebase (without the RetryRule) ✅

Differential Revision: https://phabricator.services.mozilla.com/D286005

Author: AndiAJ

mobile/android/fenix/app/src/androidTest/java/org/mozilla/fenix/ui/TextSelectionTest.kt

@@ -124,7 +124,6 @@ class TextSelectionTest : TestSetup() {
     }
 
     // TestRail link: https://mozilla.testrail.io/index.php?/cases/view/2326831
-    @Ignore("Disabled after enabling the composable toolbar and main menu: https://bugzilla.mozilla.org/show_bug.cgi?id=2006295")
     @SmokeTest
     @Test
     fun verifyPrivateSearchTextTest() {
@@ -138,8 +137,7 @@ class TextSelectionTest : TestSetup() {
             verifyPageContent(genericURL.content)
             longClickPageObject(composeTestRule, itemContainingText("content"))
             clickContextMenuItem("Private Search")
-            mDevice.waitForIdle()
-            verifyTabCounter("2")
+            verifyTabCounter("2", isPrivateBrowsingEnabled = true)
             verifyUrl("content")
         }
     }
@@ -233,7 +231,6 @@ class TextSelectionTest : TestSetup() {
     }
 
     // TestRail link: https://mozilla.testrail.io/index.php?/cases/view/2326837
-    @Ignore("Disabled after enabling the composable toolbar and main menu: https://bugzilla.mozilla.org/show_bug.cgi?id=2006295")
     @Test
     fun verifyPrivateSearchPDFTextOptionTest() {
         val genericURL =
@@ -249,7 +246,7 @@ class TextSelectionTest : TestSetup() {
             longClickPageObject(composeTestRule, itemContainingText("Crossing"))
             clickContextMenuItem("Private Search")
             verifyUrl("Crossing")
-            verifyTabCounter("2")
+            verifyTabCounter("2", isPrivateBrowsingEnabled = true)
         }
     }