Closes #5192 - Add UI Test for "What's New" menu option (#5193)

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

@@ -49,6 +49,7 @@ class ThreeDotMenuMainTest {
             verifySettingsButton()
             verifyLibraryButton()
             verifyHelpButton()
+            verifyWhatsNewButton()
         }.openSettings {
             verifySettingsView()
         }.goBack {
@@ -59,6 +60,10 @@ class ThreeDotMenuMainTest {
         }.openThreeDotMenu {
         }.openHelp {
             verifyHelpUrl()
+        }.openHomeScreen {
+        }.openThreeDotMenu {
+        }.openWhatsNew {
+            verifyWhatsNewURL()
         }
     }
 }

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

@@ -30,6 +30,15 @@ class BrowserRobot {
             .check(matches(withText(containsString(redirectUrl))))
     }
 
+    fun verifyWhatsNewURL() {
+        val mDevice = UiDevice.getInstance(InstrumentationRegistry.getInstrumentation())
+        val redirectUrl = "https://support.mozilla.org/"
+
+        mDevice.waitForIdle()
+        onView(withId(R.id.mozac_browser_toolbar_url_view))
+            .check(matches(withText(containsString(redirectUrl))))
+    }
+
     /* Asserts that the text within DOM element with ID="testContent" has the given text, i.e.
     *  document.querySelector('#testContent').innerText == expectedText
     */

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

@@ -44,6 +44,7 @@ class ThreeDotMenuRobot {
     fun verifyShareDialogTitle() = assertShareDialogTitle()
     fun verifySendToDeviceTitle() = assertSendToDeviceTitle()
     fun verifyShareALinkTitle() = assertShareALinkTitle()
+    fun verifyWhatsNewButton() = assertWhatsNewButton()
 
     class Transition {
 
@@ -112,6 +113,14 @@ class ThreeDotMenuRobot {
             FindInPageRobot().interact()
             return FindInPageRobot.Transition()
         }
+
+        fun openWhatsNew(interact: BrowserRobot.() -> Unit): BrowserRobot.Transition {
+            mDevice.wait(Until.findObject(By.text("What's New")), waitingTime)
+            whatsNewButton().click()
+
+            BrowserRobot().interact()
+            return BrowserRobot.Transition()
+        }
     }
 }
 
@@ -166,3 +175,7 @@ private fun assertSendToDeviceTitle() = SendToDeviceTitle()
 
 private fun ShareALinkTitle() = onView(allOf(withText("SHARE A LINK"), withResourceName("link_header")))
 private fun assertShareALinkTitle() = ShareALinkTitle()
+
+private fun whatsNewButton() = onView(allOf(withText("What's New")))
+private fun assertWhatsNewButton() = whatsNewButton()
+    .check(matches(ViewMatchers.withEffectiveVisibility(ViewMatchers.Visibility.VISIBLE)))