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/IJUnitHelpContextIds.java
public static final String PREFIX= JUnitPlugin.PLUGIN_ID + '.';
	
	public static final String COPYTRACE_ACTION= PREFIX + "copy_trace_action_context"; 
	public static final String ENABLEFILTER_ACTION= PREFIX + "enable_filter_action_context"; 
	public static final String OPENEDITORATLINE_ACTION= PREFIX + "open_editor_atline_action_context"; 
	public static final String OPENTEST_ACTION= PREFIX + "open_test_action_context"; 
	public static final String RERUN_ACTION= PREFIX + "rerun_test_action_context"; 
	public static final String GOTO_REFERENCED_TEST_ACTION_CONTEXT= PREFIX + "goto_referenced_test_action_context"; 
	
	
	public static final String RESULTS_VIEW= PREFIX + "results_view_context"; 
	
	public static final String JUNIT_PREFERENCE_PAGE= PREFIX + "junit_preference_page_context"; 
	
	public static final String NEW_TESTCASE_WIZARD_PAGE= PREFIX + "new_testcase_wizard_page_context"; 
	public static final String NEW_TESTCASE_WIZARD_PAGE2= PREFIX + "new_testcase_wizard_page2_context"; 
	public static final String NEW_TESTSUITE_WIZARD_PAGE= PREFIX + "new_testsuite_wizard_page2_context"; 
	
	
	public static final String TEST_SELECTION_DIALOG= PREFIX + "test_selection_context"; 
}