diff --git a/service/auth_test.go b/service/auth_test.go
index 295ada2..61930db 100644
--- a/service/auth_test.go
+++ b/service/auth_test.go
@@ -38,7 +38,7 @@ func TestSignIn(t *testing.T) {
 			),
 			err: nil,
 		}
-		underTest := NewServiceAuthImpl(stub)
+		underTest := NewServiceAuthImpl(stub, NewServiceMailStub())
 
 		actualUser, err := underTest.SignIn("test@test.de", "password")
 		if err != nil {
@@ -71,7 +71,7 @@ func TestSignIn(t *testing.T) {
 			),
 			err: nil,
 		}
-		underTest := NewServiceAuthImpl(stub)
+		underTest := NewServiceAuthImpl(stub, NewServiceMailStub())
 
 		_, err := underTest.SignIn("test@test.de", "wrong password")
 		if err != ErrInvaidCredentials {
@@ -84,7 +84,7 @@ func TestSignIn(t *testing.T) {
 			user: nil,
 			err:  db.ErrUserNotFound,
 		}
-		underTest := NewServiceAuthImpl(stub)
+		underTest := NewServiceAuthImpl(stub, NewServiceMailStub())
 
 		_, err := underTest.SignIn("test", "test")
 		if err != ErrInvaidCredentials {
@@ -97,7 +97,7 @@ func TestSignIn(t *testing.T) {
 			user: nil,
 			err:  errors.New("Some error"),
 		}
-		underTest := NewServiceAuthImpl(stub)
+		underTest := NewServiceAuthImpl(stub, NewServiceMailStub())
 
 		_, err := underTest.SignIn("test", "test")
 		if err != types.ErrInternal {