assertTrue("Directory '" + dir + "' does not contain an '_'", name.indexOf('_') >= 0);
assertTrue("Directory '" + dir + "' has name '" + name+ "' which does not contain an '_'", name.indexOf('_') >= 0);
  protected String testSrcDir(File pluginDir)  {    File srcDir = new File(pluginDir, "src");    assertTrue("Directory '" + srcDir + "' is not a directory", srcDir.isDirectory());        StringBuffer result = new StringBuffer();    File[] files = srcDir.listFiles();    for (int i = 0; i < files.length; i++)    {      File dir = files[i];      assertTrue("Directory '" + dir + "' is not a directory", dir.isDirectory());            String name = dir.getName();       assertTrue("Directory '" + dir + "' does not contain an '_'", name.indexOf('_') >= 0);            String missingFiles = getMissingFiles(dir, REQUIRED_SRC_SUBDIR_FILES);      if (missingFiles.length() > 0)      {        result.append(",").append(missingFiles);      }    }    return result.length() > 0 ? result.deleteCharAt(0).toString() : "";  }  