diff --git a/src/test/java/com/example/developer/service/DeveloperServiceTest.java b/src/test/java/com/example/developer/service/DeveloperServiceTest.java
index 8e8e303..04ba27a 100644
--- a/src/test/java/com/example/developer/service/DeveloperServiceTest.java
+++ b/src/test/java/com/example/developer/service/DeveloperServiceTest.java
@@ -1,44 +1,26 @@
 package com.example.developer.service;
 
 import org.junit.jupiter.api.Test;
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.boot.test.context.SpringBootTest;
 
-import static org.junit.jupiter.api.Assertions.*;
+import static org.assertj.core.api.Assertions.assertThat;
 
-@SpringBootTest
 class DeveloperServiceTest {
 
-    @Autowired
-    private DeveloperService developerService;
-
-    @Test
-    void contextLoads() {
-        assertNotNull(developerService);
-    }
+    private final DeveloperService service = new DeveloperService();
 
     @Test
     void getRole_returnsDeveloper() {
-        assertEquals("DEVELOPER", developerService.getRole());
+        assertThat(service.getRole()).isEqualTo("developer");
     }
 
     @Test
-    void isAuthorized_forCodeAction_returnsTrue() {
-        assertTrue(developerService.isAuthorized("code"));
+    void isActive_returnsTrue() {
+        assertThat(service.isActive()).isTrue();
     }
 
     @Test
-    void isAuthorized_forReviewAction_returnsTrue() {
-        assertTrue(developerService.isAuthorized("review"));
-    }
-
-    @Test
-    void isAuthorized_forDeployAction_returnsTrue() {
-        assertTrue(developerService.isAuthorized("deploy"));
-    }
-
-    @Test
-    void isAuthorized_forUnknownAction_returnsFalse() {
-        assertFalse(developerService.isAuthorized("admin"));
+    void describe_returnsDescription() {
+        String description = service.describe();
+        assertThat(description).contains("Developer").contains("active");
     }
 }