Updated the test

Samples/Swift/DaysUntilBirthday/DaysUntilBirthdayUITests(iOS)/DaysUntilBirthdayUITests_iOS.swift

@@ -126,41 +126,24 @@ extension DaysUntilBirthdayUITests_iOS {
   /// This will assumme the full flow where a user must type in an email and
   /// password to sign in with.
   func signInForTheFirstTime() -> Bool {
-    guard sampleApp.textFields["Email or phone"]
-            .waitForExistence(timeout: timeout) else {
+    let emailField = sampleApp.textFields["Email or phone"].firstMatch
+    guard emailField.waitForExistence(timeout: timeout) else {
       XCTFail("Failed to find email textfield")
       return false
     }
-    guard sampleApp
-            .keyboards
-            .element
-            .buttons["return"]
-            .waitForExistence(timeout: timeout) else {
-      XCTFail("Failed to find 'return' button")
-      return false
-    }
 
-    sampleApp.textFields["Email or phone"].typeText(Credential.email.rawValue)
-    sampleApp.keyboards.element.buttons["return"].tap()
+    emailField.tap()
+    emailField.typeText("\(Credential.email.rawValue)\n")
 
-    guard sampleApp.secureTextFields["Enter your password"]
-            .waitForExistence(timeout: timeout) else {
+    let passwordField = sampleApp.secureTextFields["Enter your password"].firstMatch
+    guard passwordField.waitForExistence(timeout: timeout) else {
       XCTFail("Failed to find password textfield")
       return false
     }
-    guard sampleApp
-            .keyboards
-            .element
-            .buttons["return"]
-            .waitForExistence(timeout: timeout) else {
-      XCTFail("Failed to find 'return' button")
-      return false
-    }
 
-    sampleApp
-      .secureTextFields["Enter your password"]
-      .typeText(Credential.password.rawValue)
-    sampleApp.keyboards.element.buttons["return"].tap()
+    passwordField.tap()
+    passwordField
+      .typeText("\(Credential.password.rawValue)\n")
 
     if sampleApp
       .staticTexts[passwordManagerPrompt]