[fenix] Closes https://github.com/mozilla-mobile/fenix/issues/12899: fixed UI test for ETP off

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

@@ -10,7 +10,6 @@ import androidx.test.uiautomator.UiDevice
 import okhttp3.mockwebserver.MockWebServer
 import org.junit.After
 import org.junit.Before
-import org.junit.Ignore
 import org.junit.Rule
 import org.junit.Test
 import org.mozilla.fenix.helpers.AndroidAssetDispatcher
@@ -130,9 +129,8 @@ class SmokeTest {
         }
     }
 
-    @Ignore("Flaky test: https://github.com/mozilla-mobile/fenix/issues/12899")
     @Test
-    fun verifyETPToolbarShieldIconIsNotDisplayedIfETPIsOFFGloballyTest() {
+    fun verifyETPShieldNotDisplayedIfOFFGlobally() {
         val defaultWebPage = TestAssetHelper.getGenericAsset(mockWebServer, 1)
 
         homeScreen {
@@ -149,9 +147,8 @@ class SmokeTest {
             }.openSettings {
             }.openEnhancedTrackingProtectionSubMenu {
                 clickEnhancedTrackingProtectionDefaults()
-            }.goBackToHomeScreen {
+            }.goBack {
-            }.openTabDrawer {
+            }.goBackToBrowser {
-            }.openTab(defaultWebPage.title) {
                 clickEnhancedTrackingProtectionPanel()
                 verifyEnhancedTrackingProtectionSwitch()
                 // Turning off TP Switch results in adding the WebPage to exception list

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

@@ -33,6 +33,7 @@ import androidx.test.uiautomator.UiSelector
 import androidx.test.uiautomator.Until
 import org.hamcrest.CoreMatchers.allOf
 import org.hamcrest.CoreMatchers.containsString
+import org.hamcrest.Matchers.not
 import org.junit.Assert.assertTrue
 import org.mozilla.fenix.R
 import org.mozilla.fenix.ext.components
@@ -185,10 +186,10 @@ class BrowserRobot {
             .perform(ViewActions.pressBack())
     }
 
-    fun clickEnhancedTrackingProtectionPanel() = enhancedTrackingProtectionPanel().click()
+    fun clickEnhancedTrackingProtectionPanel() = enhancedTrackingProtectionIndicator().click()
 
     fun verifyEnhancedTrackingProtectionPanelNotVisible() =
-        assertEnhancedTrackingProtectionPanelNotVisible()
+        assertEnhancedTrackingProtectionIndicatorNotVisible()
 
     fun clickContextOpenLinkInNewTab() {
         val mDevice = UiDevice.getInstance(InstrumentationRegistry.getInstrumentation())
@@ -413,12 +414,11 @@ fun navURLBar() = onView(withId(R.id.mozac_browser_toolbar_url_view))
 private fun assertNavURLBar() = navURLBar()
     .check(matches(withEffectiveVisibility(Visibility.VISIBLE)))
 
-fun enhancedTrackingProtectionPanel() =
+fun enhancedTrackingProtectionIndicator() =
     onView(withId(R.id.mozac_browser_toolbar_tracking_protection_indicator))
 
-private fun assertEnhancedTrackingProtectionPanelNotVisible() {
+private fun assertEnhancedTrackingProtectionIndicatorNotVisible() {
-    enhancedTrackingProtectionPanel()
+    enhancedTrackingProtectionIndicator().check(matches(not(isDisplayed())))
-        .check(matches(withEffectiveVisibility(Visibility.GONE)))
 }
 
 private fun assertEnhancedTrackingProtectionSwitch() {