test to verify email link sent successfully

Author: srushtisv

FirebaseAuth/Tests/SampleSwift/AuthenticationExampleUITests/AuthenticationExampleUITests.swift

@@ -226,6 +226,27 @@ class AuthenticationExampleUITests: XCTestCase {
     removeUIInterruptionMonitor(interruptionMonitor)
   }
 
+  func testEmailLinkSentSuccessfully(){
+    app.staticTexts["Email Link/Passwordless"].tap()
+
+    let testEmail = "[email protected]"
+    app.textFields["Enter Authentication Email"].tap()
+    app.textFields["Enter Authentication Email"].typeText(testEmail)
+    app.buttons["return"].tap() // Dismiss keyboard
+
+    app.buttons["Send Sign In Link"].tap()
+    
+    //Wait for the error message to appear (if there is an error)
+    let errorAlert = app.alerts.staticTexts["Error"]
+    let errorExists = errorAlert.waitForExistence(timeout: 5.0)
+
+    app.swipeDown(velocity: .fast)
+
+    //Assert that there is no error message (success case)
+    XCTAssertFalse(errorExists, "Expected no error message, but one appeared.")
+    //At this point, the link is assumed to have been sent successfully since no error appeared
+  }
+
   // MARK: - Private Helpers
 
   private func signOut() {