### Question:
SynchronizeUsersHandler extends EventSenderAwareHandler<EnvironmentDto> { @Override public String selector() { return EnvStartHandlerSelectors.SYNCHRONIZE_USERS_HANDLER_EVENT.name(); } protected  SynchronizeUsersHandler(EventSender eventSender, FreeIpaPollerService freeIpaPollerService, FreeIpaService freeIpaService); @Override String selector(); @Override void accept(Event<EnvironmentDto> environmentDtoEvent);  }### Answer:
@Test @MockitoSettings(strictness = Strictness.LENIENT) void selector() { assertThat(underTest.selector()).isEqualTo(EnvStartHandlerSelectors.SYNCHRONIZE_USERS_HANDLER_EVENT.toString()); }