### Question:
CreateExternalDatabaseHandler implements EventHandler<CreateExternalDatabaseRequest> { @Override public String selector() { return "CreateExternalDatabaseRequest"; }  @Override String selector(); @Override void accept(Event<CreateExternalDatabaseRequest> createExternalDatabaseRequest);  }### Answer:
@Test void selector() { assertThat(underTest.selector()).isEqualTo("CreateExternalDatabaseRequest"); }