### Question:
DataLakeClustersDeleteHandler extends EventSenderAwareHandler<EnvironmentDeletionDto> { @Override public String selector() { return DELETE_DATALAKE_CLUSTERS_EVENT.selector(); } protected  DataLakeClustersDeleteHandler(EventSender eventSender, EnvironmentService environmentService, SdxDeleteService sdxDeleteService); @Override void accept(Event<EnvironmentDeletionDto> environmentDtoEvent); @Override String selector();  }### Answer:
@Test @MockitoSettings(strictness = Strictness.LENIENT) void selector() { assertThat(underTest.selector()).isEqualTo("DELETE_DATALAKE_CLUSTERS_EVENT"); }