@Test
  public void testSetAttributeValuesAddOneRemoveOne() throws Exception {
    artifact.setAttributeValues(CoreAttributeTypes.StaticId, ADD_ONE_REMOVE_ONE);

    List<String> actual = artifact.getAttributesToStringList(CoreAttributeTypes.StaticId);

    assertTrue(Collections.isEqual(ADD_ONE_REMOVE_ONE, actual));
  }
  @Test
  public void testSetAttributeValuesWithDuplicates() throws Exception {
    artifact.setAttributeValues(CoreAttributeTypes.StaticId, ADD_DUPLICATES);

    List<String> actual = artifact.getAttributesToStringList(CoreAttributeTypes.StaticId);

    assertTrue(Collections.isEqual(ADD_DUPLICATES_EXPECTED, actual));
  }
  @Test
  public void testSetAttributeValues() throws Exception {
    List<String> actual = artifact.getAttributesToStringList(CoreAttributeTypes.StaticId);

    assertTrue(Collections.isEqual(START_VALUE, actual));
  }