Bug 36625 "Copy Trace" Action in "Failure Trace" View enabled for empty table.
The "Copy Trace" action should probably be hidden or unavailable when there is nothing in the "Failure Trace" view. Currently the user is given the option to copy a trace of nothing to the clipboard.
org.eclipse.jdt.junit/src/org/eclipse/jdt/internal/junit/ui/TestRunnerViewPart.java
* the test name.
	 */
	private Map fTestInfos= new HashMap();
	/**
	 * The first failure of a test run. Used to reveal the
	 * first failed tests at the end of a run.
	 */
	private TestRunInfo fFirstFailure;
	private JUnitProgressBar fProgressBar;
	private ProgressImages fProgressImages;
	private Image fViewImage;
	private CounterPanel fCounterPanel;
	private boolean fShowOnErrorOnly= false;
	private Clipboard fClipboard;
	/** 
	 * The view that shows the stack trace of a failure
	 */
	private FailureTraceView fFailureView;
	/** 
	 * The collection of ITestRunViews
	 */
	private Vector fTestRunViews = new Vector();
	/**
	 * The currently active run view
	 */
	private ITestRunView fActiveRunView;
	/**
	 * Is the UI disposed
	 */
	private boolean fIsDisposed= false;