// ButtonBarBuilder builder = new ButtonBarBuilder();
runButton = UISupport.createToolbarButton( new RunLoadTestAction() );
cancelButton = UISupport.createToolbarButton( new CancelRunTestCaseAction(), false );
resetButton = UISupport.createToolbarButton( new ResetAction() );
exportButton = UISupport.createToolbarButton( new ExportStatisticsAction( loadTest.getStatisticsModel() ) );
statisticsGraphButton = UISupport.createToolbarButton( new ShowStatisticsGraphAction() );
testTimesGraphButton = UISupport.createToolbarButton( new ShowTestTimesGraphAction() );
statisticsGraphButton.setEnabled( getModelItem().getHistoryLimit() != 0 );