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/wizards/NewTestCaseCreationWizardPage.java
}		
		IPackageFragment pack= getPackageFragment();
		if (pack != null) {
			ICompilationUnit cu= pack.getCompilationUnit(typeName + ".java"); 
			if (cu.exists()) {
					status.setError(WizardMessages.getFormattedString("NewTestClassWizPage.error.testcase.already_exists", typeName));
				return status;
			}
		}
		return status;
	}
	
	/**
	 * @see IWizardPage#canFlipToNextPage
	 */
	public boolean canFlipToNextPage() {
		return isPageComplete() && getNextPage() != null && isNextPageValid();
	}
	protected boolean isNextPageValid() {
		return !getClassToTestText().equals(""); 
	}
	protected JUnitStatus validateClassToTest() {
		IPackageFragmentRoot root= getPackageFragmentRoot();
		IPackageFragment pack= getPackageFragment();
		String classToTestName= getClassToTestText();
		JUnitStatus status= new JUnitStatus();
		
		fClassToTest= null;
		if (classToTestName.length() == 0) {
			return status;