}.runTest();
}
public void testWarn() throws Exception {
IllegalArgumentException rootCause = new IllegalArgumentException();
Problem problem = new Problem("VGER", new Location(new DescriptiveResource("here")),
null, new IllegalArgumentException());
MockControl mockLog = MockControl.createControl(Log.class);
Log log = (Log) mockLog.getMock();
log.warn(null, rootCause);