diff --git a/ecommerce_app/test/src/features/authentication/auth_robot.dart b/ecommerce_app/test/src/features/authentication/auth_robot.dart
index 230fcaa5..70af72e9 100644
--- a/ecommerce_app/test/src/features/authentication/auth_robot.dart
+++ b/ecommerce_app/test/src/features/authentication/auth_robot.dart
@@ -41,6 +41,18 @@ class AuthRobot {
     await tester.pump();
   }
 
+  Future<void> enterEmail(String email) async {
+    final emailField = find.byKey(EmailPasswordSignInScreen.emailKey);
+    expect(emailField, findsOneWidget);
+    await tester.enterText(emailField, email);
+  }
+
+  Future<void> enterPassword(String password) async {
+    final passwordField = find.byKey(EmailPasswordSignInScreen.passwordKey);
+    expect(passwordField, findsOneWidget);
+    await tester.enterText(passwordField, password);
+  }
+
   Future<void> pumpAccountScreen({FakeAuthRepository? authRepository}) async {
     await tester.pumpWidget(
       ProviderScope(
diff --git a/ecommerce_app/test/src/features/authentication/presentation/sign_in/email_password_sign_in_controller_test.dart b/ecommerce_app/test/src/features/authentication/presentation/sign_in/email_password_sign_in_controller_test.dart
index a94c742b..54dd51fd 100644
--- a/ecommerce_app/test/src/features/authentication/presentation/sign_in/email_password_sign_in_controller_test.dart
+++ b/ecommerce_app/test/src/features/authentication/presentation/sign_in/email_password_sign_in_controller_test.dart
@@ -173,7 +173,7 @@ void main() {
       controller.updateFormType(EmailPasswordSignInFormType.register);
       // verify
       expect(
-        controller.debugState,
+        controller.state,
         EmailPasswordSignInState(
           formType: EmailPasswordSignInFormType.register,
           value: const AsyncData<void>(null),
@@ -196,7 +196,7 @@ void main() {
       controller.updateFormType(EmailPasswordSignInFormType.signIn);
       // verify
       expect(
-        controller.debugState,
+        controller.state,
         EmailPasswordSignInState(
           formType: EmailPasswordSignInFormType.signIn,
           value: const AsyncData<void>(null),
diff --git a/ecommerce_app/test/src/features/authentication/presentation/sign_in/email_password_sign_in_screen_test.dart b/ecommerce_app/test/src/features/authentication/presentation/sign_in/email_password_sign_in_screen_test.dart
index 0db62855..098cd593 100644
--- a/ecommerce_app/test/src/features/authentication/presentation/sign_in/email_password_sign_in_screen_test.dart
+++ b/ecommerce_app/test/src/features/authentication/presentation/sign_in/email_password_sign_in_screen_test.dart
@@ -29,5 +29,34 @@ void main() {
             any(),
           ));
     });
+    testWidgets('''
+        Given formType is signIn
+        When enter valid email and password
+        And tap on the sign-in button
+        Then signInWithEmailAndPassword is called
+        And onSignedIn callback is called
+        And error alert is not shown
+        ''', (tester) async {
+      var didSignIn = false;
+      final r = AuthRobot(tester);
+      when(() => authRepository.signInWithEmailAndPassword(
+            testEmail,
+            testPassword,
+          )).thenAnswer((_) => Future.value());
+      await r.pumpEmailPasswordSignInContents(
+        authRepository: authRepository,
+        formType: EmailPasswordSignInFormType.signIn,
+        onSignedIn: () => didSignIn = true,
+      );
+      await r.enterEmail(testEmail);
+      await r.enterPassword(testPassword);
+      await r.tapEmailAndPasswordSubmitButton();
+      verify(() => authRepository.signInWithEmailAndPassword(
+            testEmail,
+            testPassword,
+          )).called(1);
+      r.expectErrorAlertNotFound();
+      expect(didSignIn, true);
+    });
   });
 }