@Test
  public void testValidateForControlMapping() {
    StudyConfiguration studyConfiguration = new StudyConfiguration();
    action.setStudyConfiguration(studyConfiguration);

    action.validate();
    assertTrue(action.hasErrors());
    action.clearErrorsAndMessages();
    action.setControlSampleSetName("ControlSampleSet1");
    action.validate();
    assertTrue(action.hasErrors());
    action.clearErrorsAndMessages();
    action.setControlSampleFile(TestDataFiles.REMBRANDT_CONTROL_SAMPLES_FILE);
    action.validate();
    assertFalse(action.hasFieldErrors());
    action.clearErrorsAndMessages();
    SampleSet controlSampleSet = new SampleSet();
    controlSampleSet.setName("ControlSampleSet1");
    GenomicDataSourceConfiguration genomicSource = new GenomicDataSourceConfiguration();
    studyConfiguration.getGenomicDataSources().add(genomicSource);
    genomicSource.getControlSampleSetCollection().add(controlSampleSet);
    action.validate();
    assertTrue(action.hasFieldErrors());
  }