Bug 127438 junit view: fast view icon shows "completed" state when view is shown
org.eclipse.jdt.junit/src/org/eclipse/jdt/internal/junit/ui/TestRunnerViewPart.java
if (fTestRunSession == testRunSession)
			return;
		
		if (fTestRunSession != null && fTestSessionListener != null) {
			fTestRunSession.removeTestSessionListener(fTestSessionListener);
			fTestSessionListener= null;
		}
		
		fTestRunSession= testRunSession;
		fTestViewer.setActiveSession(testRunSession);
		
		if (testRunSession == null) {
			setTitleToolTip(null);
			resetViewIcon();
			clearStatus();
			fFailureTrace.clear();
			
			registerInfoMessage(" "); 
			stopUpdateJobs();
			
			fStopAction.setEnabled(false);
			fRerunLastFailedFirstAction.setEnabled(false);
			fRerunLastTestAction.setEnabled(false);
			
		} else {
			fTestRunSession= testRunSession;
			fTestSessionListener= new TestSessionListener();
			fTestRunSession.addTestSessionListener(fTestSessionListener);
			
			setTitleToolTip(fTestRunSession.getTestRunName());