### Question:
ClassificationResult { public boolean isSuccessfull() { return isSuccessful; } ClassificationResult(String errorMessage);  ClassificationResult(List<String> matches); String getErrorMessage(); boolean isSuccessfull();  }### Answer:
@Test public void testConstructor_Result() { assertTrue(resultOk.isSuccessfull()); }
@Test public void testConstructor_ErrorMsg() { assertFalse(resultError.isSuccessfull()); }