@Test
public void simpleAction() {

    final AtomicBoolean calledBack = new AtomicBoolean( false );
    final LimitedEntryActionRetractFactCol52 arf = new LimitedEntryActionRetractFactCol52();
    arf.setValue( new DTCellValue52( "$a" ) );
    model.getActionCols().add( arf );
    builder.generateDefinition( dtPresenter,
                                arf,
                                ( String definition ) -> {
                                    calledBack.set( true );
                                    assertEquals( "retract( $a );",
                                                  definition );
                                } );
    assertTrue( calledBack.get() );
}