Bug 41798 New JUnit Plug-in test requires test suites to extend Test
The new JUnit plug-in test seems to require test suites to extend TestSuite. Otherwise an error is reported in the launch config dialog. It is however still possible to launch a test suite by opening it in the editor and choosing Run->Run As->New JUnit Plug-in Test To reproduce, try to run (and configure) the JDT UI AllAllTests testsuite.
org.eclipse.jdt.junit/src/org/eclipse/jdt/internal/junit/launcher/JUnitMainTab.java
} catch (CoreException ce) {
		}
		fKeepRunning.setSelection(running);	 	
	}
	
	protected void updateProjectFromConfig(ILaunchConfiguration config) {
		String projectName= ""; 
		try {
			projectName = config.getAttribute(IJavaLaunchConfigurationConstants.ATTR_PROJECT_NAME, ""); 
		} catch (CoreException ce) {
		}
		fProjText.setText(projectName);
	}
	
	protected void updateTestTypeFromConfig(ILaunchConfiguration config) {
		String testTypeName= ""; 
		String testMethodName= ""; 
		try {
			testTypeName = config.getAttribute(IJavaLaunchConfigurationConstants.ATTR_MAIN_TYPE_NAME, ""); 
			testMethodName = config.getAttribute(JUnitBaseLaunchConfiguration.TESTNAME_ATTR, ""); 
		} catch (CoreException ce) {			
		}
		fTestRadioButton.setSelection(true);
		setEnableSingleTestGroup(true);
		setEnableContainerTestGroup(false);		
		fTestContainerRadioButton.setSelection(false);
		fTestText.setText(testTypeName);
		fContainerText.setText(""); 
		if (!"".equals(testMethodName)) { 
			fTestMethodLabel.setText(JUnitMessages.getString("JUnitMainTab.label.method")+testMethodName);