Files.write(testClassPerLine, classNamesFile, Charsets.UTF_8);
// Prepare command line for java execution.
CommandlineJava commandline;
commandline = (CommandlineJava) getCommandline().clone();
commandline.createClasspath(getProject()).add(addSlaveClasspath());
commandline.setClassname(SlaveMainSafe.class.getName());
commandline.createArgument().setValue("@" + classNamesFile.getAbsolutePath());
if (slave.slaves == 1) {
commandline.createArgument().setValue(SlaveMain.OPTION_FREQUENT_FLUSH);
}