Bug 85260 IAE when trying to copy name of TestSuite to clipboard [junit]
org.eclipse.jdt.junit/src/org/eclipse/jdt/internal/junit/ui/FailureTrace.java
* Clears the non-stack trace info
	 */
	public void clear() {
		fTable.removeAll();
		fInputTrace= null;
	}
	
	private String filterStack(String stackTrace) {	
		if (!JUnitPreferencePage.getFilterStack() || stackTrace == null) 
			return stackTrace;
			
		StringWriter stringWriter= new StringWriter();
		PrintWriter printWriter= new PrintWriter(stringWriter);
		StringReader stringReader= new StringReader(stackTrace);
		BufferedReader bufferedReader= new BufferedReader(stringReader);	
			
		String line;
		String[] patterns= JUnitPreferencePage.getFilterPatterns();
		try {	
			while ((line= bufferedReader.readLine()) != null) {
				if (!filterLine(patterns, line))
					printWriter.println(line);
			}
		} catch (IOException e) {
			return stackTrace; 
		}
		return stringWriter.toString();
	}
	
	private boolean filterLine(String[] patterns, String line) {