Bug 75954 Changing anything on Launcher blows away JUnit Test Method
org.eclipse.jdt.junit/src/org/eclipse/jdt/internal/junit/launcher/JUnitMainTab.java
handleContainerSearchButtonSelected();
			}
		});
		setButtonGridData(fContainerSearchButton);	
	}
	private void handleContainerSearchButtonSelected() {
		IJavaElement javaElement= chooseContainer(fContainerElement);
		if (javaElement != null)
			setContainerElement(javaElement);
	}
	private void setContainerElement(IJavaElement javaElement) {
		fContainerElement= javaElement;
		fContainerText.setText(getPresentationName(javaElement));
		validatePage();
		updateLaunchConfigurationDialog();
	}
	public void createKeepAliveGroup(Composite comp) {
		GridData gd;
		fKeepRunning = new Button(comp, SWT.CHECK);
		fKeepRunning.addSelectionListener(new SelectionListener() {
			public void widgetSelected(SelectionEvent e) {
				updateLaunchConfigurationDialog();
			}
			public void widgetDefaultSelected(SelectionEvent e) {
			}
		});
		fKeepRunning.setText(JUnitMessages.getString("JUnitMainTab.label.keeprunning")); 
		gd= new GridData();
		gd.horizontalAlignment= GridData.FILL;
		gd.horizontalSpan= 2;