Bug 1829600 - New no internet connection error page UI test

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

@@ -127,4 +127,24 @@ class BrowsingErrorPagesTest {
             verifyAddressNotFoundErrorMessage()
         }
     }
+
+    @Test
+    fun noInternetConnectionErrorMessageTest() {
+        val url = "www.example.com"
+
+        setNetworkEnabled(false)
+
+        navigationToolbar {
+        }.enterURLAndEnterToBrowser(url.toUri()) {
+            verifyNoInternetConnectionErrorMessage()
+        }
+
+        setNetworkEnabled(true)
+
+        browserScreen {
+            clickPageObject(itemWithResId("errorTryAgain"))
+            waitForPageToLoad()
+            verifyPageContent("Example Domain")
+        }
+    }
 }

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

@@ -812,6 +812,13 @@ class BrowserRobot {
         assertItemWithResIdExists(itemWithResId("errorTryAgain"))
     }
 
+    fun verifyNoInternetConnectionErrorMessage() {
+        assertItemContainingTextExists(
+            itemContainingText(getStringResource(R.string.mozac_browser_errorpages_no_internet_title)),
+        )
+        assertItemWithResIdExists(itemWithResId("errorTryAgain"))
+    }
+
     class Transition {
         fun openThreeDotMenu(interact: ThreeDotMenuMainRobot.() -> Unit): ThreeDotMenuMainRobot.Transition {
             mDevice.waitForIdle(waitingTime)