Inject private field from unit test
public class DeeplinkService { @Value("${deeplink}") private String deeplink; } class DeeplinkServiceTest { @InjectMocks private DeeplinkService deeplinkService; @BeforeEach public void setup() { { ReflectionTestUtils.setField( deeplinkService, "deeplink", TestConstants.TEST_DEEPLINK ); } } It is possible to inject private field from unit test with Reflection