Bug 65540 JUnit does not give any feedback (i.e. busy) when starting tests. [JUnit]
build I20040529 When running tests (especially JUnit Plug-in Test suites) there is a long delay before the test starts, during this time you are not given feedback as to what is happening and tend to assume something went wrong.
org.eclipse.jdt.junit/src/org/eclipse/jdt/internal/junit/ui/TestRunnerViewPart.java
ILaunchConfiguration launchConfiguration= fLastLaunch.getLaunchConfiguration();
			if (launchConfiguration != null) {
				try {
					String name= className;
					if (testName != null) 
						name+= "."+testName; 
					String configName= Messages.format(JUnitMessages.TestRunnerViewPart_configName, name); 
					ILaunchConfigurationWorkingCopy tmp= launchConfiguration.copy(configName); 
					 
					tmp.setAttribute(IJavaLaunchConfigurationConstants.ATTR_MAIN_TYPE_NAME, className);
					
					tmp.setAttribute(JUnitBaseLaunchConfiguration.LAUNCH_CONTAINER_ATTR, ""); 
					if (testName != null) {
						tmp.setAttribute(JUnitBaseLaunchConfiguration.TESTNAME_ATTR, testName);
						
						
					}
					tmp.launch(launchMode, null);	
					return;	
				} catch (CoreException e) {
					ErrorDialog.openError(getSite().getShell(), 
						JUnitMessages.TestRunnerViewPart_error_cannotrerun, e.getMessage(), e.getStatus() 
					);
				}
			}
			MessageDialog.openInformation(getSite().getShell(), 
				JUnitMessages.TestRunnerViewPart_cannotrerun_title,  
				JUnitMessages.TestRunnerViewPart_cannotrerurn_message
			); 
		}