Bug 288154 [perfs] Comments applied for performance tests may be obsolete
tests/org.eclipse.ui.tests.performance/src/org/eclipse/ui/tests/performance/presentations/PresentationActivePartPropertyTest.java
final PresentationTestbed testbed = createPresentation(factory, type, number);
        
        final TestPresentablePart part = (TestPresentablePart)testbed.getSelection();
        
        if(fastTest)
        	iterations = 300;
        else
        	iterations = 5;
        
		for (int j = 0; j < 50; j++) {
			startMeasuring();
			for (int i = 0; i < iterations; i++) {
            
                twiddleProperty(DESCRIPTION, part);
                twiddleProperty(DIRTY, part);
                twiddleProperty(IMAGE, part);
                twiddleProperty(NAME, part);
                twiddleProperty(TITLE, part);
                twiddleProperty(TOOLBAR, part);
                twiddleProperty(TOOLTIP, part);
                
            } 
            stopMeasuring();
		}
        
        commitMeasurements();
        assertPerformance();                
    }
}