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
public static final String NAME= "org.eclipse.jdt.junit.ResultView"; 
 	/**
 	 * Number of executed tests during a test run
 	 */
	protected int fExecutedTests;
	/**
	 * Number of errors during this test run
	 */
	protected int fErrors;
	/**
	 * Number of failures during this test run
	 */
	protected int fFailures;
	/**
	 * Number of tests run
	 */
	private int fTestCount;
	/**
	 * Map storing TestInfos for each executed test keyed by