fix unit tests

src/test/java/com/danielbohry/authservice/service/auth/AuthServiceTest.java

@@ -2,6 +2,7 @@ package com.danielbohry.authservice.service.auth;
 
 import com.danielbohry.authservice.api.dto.AuthenticationRequest;
 import com.danielbohry.authservice.api.dto.AuthenticationResponse;
+import com.danielbohry.authservice.client.MailClient;
 import com.danielbohry.authservice.domain.ApplicationUser;
 import com.danielbohry.authservice.domain.Role;
 import com.danielbohry.authservice.service.user.UserService;
@@ -42,11 +43,12 @@ class AuthServiceTest {
     private ApplicationUser testUser;
     private Authentication testAuthentication;
     private AuthenticationRequest testRequest;
+    private MailClient mailClient;
 
     @BeforeEach
     void setUp() {
         MockitoAnnotations.openMocks(this);
-        authService = new AuthService(userService, jwtService, authenticationManager, passwordEncoder);
+        authService = new AuthService(userService, jwtService, authenticationManager, passwordEncoder, mailClient);
 
         testUser = ApplicationUser.builder()
                 .id("user-id-123")