protected boolean runTestIfSysPropDefined(String propName){
  String prop=System.getProperty(propName);
  return (prop != null) && (prop.length() > 0);
}

protected boolean runTestIfSysPropDefined ( String propName ) { String prop = System . getProperty ( propName ) ; return ( prop != null ) && ( prop . length ( ) > 0 ) ; }
checks whether a certain system property is defined , in order to run / not - run certain tests
