public void addTestDataSource(Class<?> classContext,String testDataDir){
  classContexts.add(classContext);
  testDataDirs.add(testDataDir);
}

public void addTestDataSource ( Class < ? > classContext , String testDataDir ) { classContexts . add ( classContext ) ; testDataDirs . add ( testDataDir ) ; }
adds a new test data source . test data will be first searched in this new source and then in the currently configured one .
