this.project.getTestClasspathElements(),
this.jrubyFork,
this.gemsConfig));
if(supportNative){
factory.addJvmArgs("-Djruby.home=" + setupNativeSupport().getAbsolutePath());
}
if(rubySourceDirectory != null && rubySourceDirectory.exists()){
if(jrubyVerbose){
getLog().info("add to ruby loadpath: " + rubySourceDirectory.getAbsolutePath());
}