[fenix] For https://github.com/mozilla-mobile/fenix/issues/18647: Fixed and re-enabled customTrackingProtectionSettingsTest UI test

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

@@ -407,9 +407,9 @@ class SmokeTest {
         }
     }
 
-    @Ignore("Failing, see https://github.com/mozilla-mobile/fenix/issues/18647")
     @Test
     fun customTrackingProtectionSettingsTest() {
+        val genericWebPage = TestAssetHelper.getGenericAsset(mockWebServer, 1)
         val trackingPage = TestAssetHelper.getEnhancedTrackingProtectionAsset(mockWebServer)
 
         homeScreen {
@@ -422,10 +422,14 @@ class SmokeTest {
         }.goBackToHomeScreen {}
 
         navigationToolbar {
-        }.openTrackingProtectionTestPage(trackingPage.url, true) {}
+            // browsing a basic page to allow GV to load on a fresh run
+        }.enterURLAndEnterToBrowser(genericWebPage.url) {
+        }.openNavigationToolbar {
+        }.openTrackingProtectionTestPage(trackingPage.url, true) {
+            dismissTrackingOnboarding()
+        }
 
         enhancedTrackingProtection {
-            dismissTrackingOnboarding()
         }.openEnhancedTrackingProtectionSheet {
             verifyTrackingCookiesBlocked()
             verifyCryptominersBlocked()

app/src/androidTest/java/org/mozilla/fenix/ui/robots/NavigationToolbarRobot.kt

@@ -11,7 +11,6 @@ import androidx.recyclerview.widget.RecyclerView
 import androidx.test.espresso.Espresso.onView
 import androidx.test.espresso.IdlingRegistry
 import androidx.test.espresso.IdlingResource
-import androidx.test.espresso.IdlingResourceTimeoutException
 import androidx.test.espresso.action.ViewActions
 import androidx.test.espresso.action.ViewActions.pressImeActionButton
 import androidx.test.espresso.action.ViewActions.replaceText
@@ -33,6 +32,7 @@ import androidx.test.uiautomator.By
 import androidx.test.uiautomator.UiDevice
 import androidx.test.uiautomator.UiSelector
 import androidx.test.uiautomator.Until
+import junit.framework.TestCase.assertTrue
 import org.hamcrest.CoreMatchers.allOf
 import org.hamcrest.CoreMatchers.anyOf
 import org.hamcrest.CoreMatchers.containsString
@@ -116,43 +116,40 @@ class NavigationToolbarRobot {
             return BrowserRobot.Transition()
         }
 
-        fun openTrackingProtectionTestPage(url: Uri, etpEnabled: Boolean, interact: BrowserRobot.() -> Unit): BrowserRobot.Transition {
-            sessionLoadedIdlingResource = SessionLoadedIdlingResource()
-
+        fun openTrackingProtectionTestPage(
+            url: Uri,
+            etpEnabled: Boolean,
+            interact: BrowserRobot.() -> Unit
+        ): BrowserRobot.Transition {
             openEditURLView()
 
             awesomeBar().perform(replaceText(url.toString()), pressImeActionButton())
 
-            runWithIdleRes(sessionLoadedIdlingResource) {
-                when (etpEnabled) {
-                    true ->
-                        try {
-                            onView(withId(R.id.onboarding_message))
-                                .check(matches(isDisplayed()))
-                        } catch (e: IdlingResourceTimeoutException) {
-                            openThreeDotMenu {
-                            }.stopPageLoad {
-                                val onboardingDisplayed =
-                                    mDevice.findObject(UiSelector().resourceId("$packageName:id/onboarding_message"))
-                                        .waitForExists(waitingTime)
-
-                                if (!onboardingDisplayed) {
-                                    openThreeDotMenu {
-                                    }.refreshPage {}
+            val onboardingMessage =
+                mDevice.findObject(UiSelector().resourceId("$packageName:id/onboarding_message"))
+
+            val onboardingDisplayed = onboardingMessage.waitForExists(waitingTime)
+
+            when (etpEnabled) {
+                true ->
+                    try {
+                        assertTrue("Onboarding message not displayed",
+                            onboardingDisplayed
+                        )
+                    } catch (e: AssertionError) {
+                        openThreeDotMenu {
+                        }.stopPageLoad {
+                            if (!onboardingDisplayed) {
+                                openThreeDotMenu {
+                                }.refreshPage {
+                                    assertTrue(onboardingDisplayed)
                                 }
                             }
                         }
+                    }
 
-                    false ->
-                        try {
-                            onView(withResourceName("browserLayout")).check(matches(isDisplayed()))
-                        } catch (e: IdlingResourceTimeoutException) {
-                            openThreeDotMenu {
-                            }.stopPageLoad {
-                            }.openThreeDotMenu {
-                            }.refreshPage {}
-                        }
-                }
+                false ->
+                    onView(withResourceName("browserLayout")).check(matches(isDisplayed()))
             }
 
             BrowserRobot().interact()