[fenix] For https://github.com/mozilla-mobile/fenix/issues/26286 new dismissOnboardingWithPageLoadTest UI test

app/src/androidTest/java/org/mozilla/fenix/ui/HomeScreenTest.kt

@@ -199,6 +199,25 @@ class HomeScreenTest {
         }
     }
 
+    @Test
+    fun dismissOnboardingWithPageLoadTest() {
+        activityTestRule.activityRule.applySettingsExceptions {
+            it.isJumpBackInCFREnabled = false
+            it.isWallpaperOnboardingEnabled = false
+        }
+
+        val defaultWebPage = TestAssetHelper.getGenericAsset(mockWebServer, 1)
+
+        homeScreen {
+            verifyWelcomeHeader()
+        }
+        navigationToolbar {
+        }.enterURLAndEnterToBrowser(defaultWebPage.url) {
+        }.goToHomescreen {
+            verifyExistingTopSitesList()
+        }
+    }
+
     @Test
     fun toolbarTapDoesntDismissOnboardingTest() {
         homeScreen {