lint fixes

Author: srushtisv

FirebaseAuth/Tests/SampleSwift/AuthenticationExampleUITests/AuthenticationExampleUITests.swift

@@ -226,25 +226,24 @@ class AuthenticationExampleUITests: XCTestCase {
     removeUIInterruptionMonitor(interruptionMonitor)
   }
 
-  func testEmailLinkSentSuccessfully(){
+  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)
+
+    // 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)
+    // 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
+    // At this point, the link is assumed to have been sent successfully since no error appeared
   }
 
   // MARK: - Private Helpers