### Question:
ErrorHandling { void handleErrorByThrowingCustomUncheckedExceptionWithDetailMessage(String message) { throw new UnsupportedOperationException("Delete this statement and write your own implementation."); }    }### Answer:
@Ignore("Remove to run test") @Test public void testThrowCustomUncheckedExceptionWithDetailMessage() { CustomUncheckedException expected = assertThrows( CustomUncheckedException.class, () -> errorHandling .handleErrorByThrowingCustomUncheckedExceptionWithDetailMessage( "This is the detail message.")); assertThat(expected).hasMessage("This is the detail message."); }