void runTestSuite( String testClassName ) { Test suite = getTest( testClassName ); if (suite != null) { TestResult testResult = new TestResult(); testResult.addListener( this ); long startTime= System.currentTimeMillis(); suite.run( testResult ); long endTime= System.currentTimeMillis(); _formatter.displayResults( _writer, testClassName, elapsedTimeAsString( endTime-startTime ), testResult ); } }