Program: 69923
Project: 69923
Buggy source:
/** 
 * @param browser
 * @param path
 * @param name
 * @param description
 * @return Adds a subcategory to catalog on the specified path.
 */
public boolean createCatalogSubcategory(Selenium browser,String path,String name,String description){
  if (!functionalUtil.openSite(browser,FunctionalUtil.OlatSite.LEARNING_RESOURCES)) {
    return (false);
  }
  if (!openActionByMenuTree(browser,RepositorySiteAction.CATALOG)) {
    return (false);
  }
  String[] selectors=createCatalogSelectors(path);
  for (  String currentSelector : selectors) {
    functionalUtil.waitForPageToLoadElement(browser,currentSelector);
    browser.click(currentSelector);
  }
  functionalUtil.waitForPageToUnloadElement(browser,selectors[selectors.length - 1]);
  StringBuffer selectorBuffer=new StringBuffer();
  selectorBuffer.append("String_Node_Str").append(getCatalogAddSubcategoryCss()).append("String_Node_Str");
  browser.click(selectorBuffer.toString());
  selectorBuffer=new StringBuffer();
  selectorBuffer.append("String_Node_Str").append(getCatalogAddSubcategoryPopupCss()).append("String_Node_Str");
  functionalUtil.waitForPageToLoadElement(browser,selectorBuffer.toString());
  browser.type(selectorBuffer.toString(),name);
  selectorBuffer=new StringBuffer();
  selectorBuffer.append("String_Node_Str").append(getCatalogAddSubcategoryPopupCss()).append("String_Node_Str");
  browser.type(selectorBuffer.toString(),description);
  selectorBuffer=new StringBuffer();
  selectorBuffer.append("String_Node_Str").append(getCatalogAddSubcategoryPopupCss()).append("String_Node_Str").append(functionalUtil.getButtonDirtyCss()).append("String_Node_Str");
  browser.click(selectorBuffer.toString());
  functionalUtil.waitForPageToUnloadElement(browser,selectorBuffer.toString());
  return (true);
}

Fixed version (ground truth):
/** 
 * @param browser
 * @param path
 * @param name
 * @param description
 * @return Adds a subcategory to catalog on the specified path.
 */
public boolean createCatalogSubcategory(Selenium browser,String path,String name,String description){
  if (!functionalUtil.openSite(browser,FunctionalUtil.OlatSite.LEARNING_RESOURCES)) {
    return (false);
  }
  if (!openActionByMenuTree(browser,RepositorySiteAction.CATALOG)) {
    return (false);
  }
  StringBuffer selectorBuffer=new StringBuffer();
  selectorBuffer.append("String_Node_Str").append(getCatalogNavigationCss()).append("String_Node_Str");
  if (browser.isElementPresent(selectorBuffer.toString())) {
    browser.click(selectorBuffer.toString());
  }
  String[] selectors=createCatalogSelectors(path);
  if (selectors != null) {
    for (    String currentSelector : selectors) {
      functionalUtil.waitForPageToLoadElement(browser,currentSelector);
      browser.click(currentSelector);
    }
    functionalUtil.waitForPageToUnloadElement(browser,selectors[selectors.length - 1]);
  }
  String selector=createCatalogSelector(name);
  if (browser.isElementPresent(selector)) {
    return (true);
  }
  selectorBuffer=new StringBuffer();
  selectorBuffer.append("String_Node_Str").append(getCatalogAddSubcategoryCss()).append("String_Node_Str");
  browser.click(selectorBuffer.toString());
  selectorBuffer=new StringBuffer();
  selectorBuffer.append("String_Node_Str").append(getCatalogAddSubcategoryPopupCss()).append("String_Node_Str");
  functionalUtil.waitForPageToLoadElement(browser,selectorBuffer.toString());
  browser.type(selectorBuffer.toString(),name);
  selectorBuffer=new StringBuffer();
  selectorBuffer.append("String_Node_Str").append(getCatalogAddSubcategoryPopupCss()).append("String_Node_Str");
  browser.type(selectorBuffer.toString(),description);
  selectorBuffer=new StringBuffer();
  selectorBuffer.append("String_Node_Str").append(getCatalogAddSubcategoryPopupCss()).append("String_Node_Str").append(functionalUtil.getButtonDirtyCss()).append("String_Node_Str");
  browser.click(selectorBuffer.toString());
  functionalUtil.waitForPageToUnloadElement(browser,selectorBuffer.toString());
  return (true);
}