在JUnit/Mockito测试中注入bean将返回零

@Service
public class MyService {
    // ...
}

@RunWith(SpringRunner.class)
@SpringBootTest
public class MyServiceTest {
    @Autowired
    private MyService myService;

    // ...
}

@RunWith(MockitoJUnitRunner.class)
public class MyServiceTest {
    @Mock
    private AnotherDependency anotherDependency;

    @InjectMocks
    private MyService myService;

    @Test
    public void testMethod() {
        Mockito.when(anotherDependency.someMethod()).thenReturn("expectedValue");
        // ...
    }
}

public class MyService {
    private final AnotherDependency anotherDependency;

    public MyService(AnotherDependency anotherDependency) {
        this.anotherDependency = anotherDependency;
    }

    // ...
}

@Test
public void testConstructorInjection() {
    AnotherDependency mockDependency = Mockito.mock(AnotherDependency.class);
    MyService myService = new MyService(mockDependency);
    // ...
}