@Test
public void whenTaskNameToUpdateIsInvalidExpectTaskIsNotValid() {

    ValidationResult validationResult = taskValidation
            .isUpdateNameValid(TASK_ID, INVALID_TASK_NAME);
    assertThat(validationResult.getValidationStatus(), is(ValidationStatus.INVALID));
    assertThat(validationResult.getValidationInfo(), is(ERROR_MESSAGE_ONLY_LETTERS));
}