Fix/mfa sms test

packages/authenticator/amplify_authenticator/example/integration_test/sign_in_mfa_sms_email_test.dart

@@ -43,6 +43,7 @@ void main() {
           tester.bloc.stream,
           emitsInOrder([
             UnauthenticatedState.signIn,
+            isA<ContinueSignInWithMfaSelection>(),
             UnauthenticatedState.confirmSignInMfa,
             isA<AuthenticatedState>(),
             UnauthenticatedState.signIn,
@@ -68,6 +69,15 @@ void main() {
         // And I click the "Sign in" button
         await signInPage.submitSignIn();
 
+        // Then I will be redirected to chose MFA type
+        await confirmSignInPage.expectConfirmSignInMfaSelectionIsPresent();
+
+        // When I select "TOTP"
+        await confirmSignInPage.selectMfaMethod(mfaMethod: MfaType.sms);
+
+        // And I click the "Confirm" button
+        await confirmSignInPage.submitConfirmSignInMfaSelection();
+
         // Then I will be redirected to the confirm sms mfa page
         await confirmSignInPage.expectConfirmSignInMFAIsPresent();
 
@@ -139,6 +149,7 @@ void main() {
           tester.bloc.stream,
           emitsInOrder([
             UnauthenticatedState.signIn,
+            isA<ContinueSignInWithMfaSelection>(),
             UnauthenticatedState.confirmSignInMfa,
             isA<AuthenticatedState>(),
             UnauthenticatedState.signIn,
@@ -164,6 +175,15 @@ void main() {
         // And I click the "Sign in" button
         await signInPage.submitSignIn();
 
+        // Then I will be redirected to chose MFA type
+        await confirmSignInPage.expectConfirmSignInMfaSelectionIsPresent();
+
+        // When I select "TOTP"
+        await confirmSignInPage.selectMfaMethod(mfaMethod: MfaType.sms);
+
+        // And I click the "Confirm" button
+        await confirmSignInPage.submitConfirmSignInMfaSelection();
+
         // Then I will be redirected to the confirm sms mfa page
         await confirmSignInPage.expectConfirmSignInMFAIsPresent();
 
@@ -202,6 +222,15 @@ void main() {
         // And I click the "Sign in" button
         await signInPage.submitSignIn();
 
+        // Then I will be redirected to chose MFA type
+        await confirmSignInPage.expectConfirmSignInMfaSelectionIsPresent();
+
+        // When I select "TOTP"
+        await confirmSignInPage.selectMfaMethod(mfaMethod: MfaType.sms);
+
+        // And I click the "Confirm" button
+        await confirmSignInPage.submitConfirmSignInMfaSelection();
+
         // Then I will be redirected to the confirm sms mfa page
         await confirmSignInPage.expectConfirmSignInMFAIsPresent();