@Test
public void getSafeHtml_BrlCondition() {

    // Definition diffs are currently not supported, maybe #soon?
    BRLConditionColumn originalColumn = new BRLConditionColumn();
      originalColumn.setDefinition(Arrays.asList(new FactPattern("FactType1")));
    originalColumn.setHeader("condition1");
    originalColumn.setHideColumn(false);
    BRLConditionColumn newColumn = new BRLConditionColumn();
      originalColumn.setDefinition(Arrays.asList(new FactPattern("FactType2"), new FactPattern("FactType3")));
    newColumn.setHeader("condition2");
    newColumn.setHideColumn(true);
    List<BaseColumnFieldDiff> diffs = originalColumn.diff(newColumn);
    SafeHtml result = helper.getSafeHtml(new UpdateColumnAuditLogEntry("mock user", originalColumn, newColumn, diffs));
    assertEquals(getHeaderRepre(newColumn.getHeader()) + getDiffRepre(diffs), result.asString());
}