Bug 72903 Add variable expansion for Test Class in JUnit launch configurations [JUnit]
org.eclipse.jdt.junit/src/org/eclipse/jdt/internal/junit/launcher/JUnitMainTab.java
if ((types == null) || (types.length < 1)) {
					return;
				}
				
				name = types[0].getFullyQualifiedName();
			}	
		} catch (InterruptedException ie) {
		} catch (InvocationTargetException ite) {
		}
		if (name == null)
			name= ""; 
		config.setAttribute(IJavaLaunchConfigurationConstants.ATTR_MAIN_TYPE_NAME, name);
		initializeName(config, name);
	}
	
	/**
	 * @see ILaunchConfigurationTab#getName()
	 */
	public String getName() {
		return JUnitMessages.getString("JUnitMainTab.tab.label"); 
	}
	
	private IJavaElement chooseContainer(IJavaElement initElement) {
		Class[] acceptedClasses= new Class[] { IPackageFragmentRoot.class, IJavaProject.class, IPackageFragment.class };
		TypedElementSelectionValidator validator= new TypedElementSelectionValidator(acceptedClasses, false) {
			public boolean isSelectedValid(Object element) {
				return true;
			}
		};