/**
  * Change avatar of a space
  *
  * @param file
  */
 public void changeAvatar(String file) {
   info("-- changeAvatar --");
   click(ELEMENT_CHANGE_AVATAR_BUTTON);
   WebElement upload = waitForAndGetElement(ELEMENT_UPLOAD_NAME, DEFAULT_TIMEOUT, 1, 2);
   ((JavascriptExecutor) driver)
       .executeScript(
           "arguments[0].style.visibility = 'visible'; arguments[0].style.height = '1px'; "
               + "arguments[0].style.width = '1px'; arguments[0].style.opacity = 1",
           upload);
   ((JavascriptExecutor) driver)
       .executeScript(
           "arguments[0].style.display = 'block'; arguments[0].style.visibility = 'visible'",
           upload);
   upload.sendKeys(Utils.getAbsoluteFilePath(file));
   Utils.pause(3000);
   info("Upload file " + Utils.getAbsoluteFilePath(file));
   switchToParentWindow();
   Utils.pause(1000);
   button.confirm();
   waitForAndGetElement(ELEMENT_AVATAR_SAVE_BUTTON);
   click(ELEMENT_AVATAR_SAVE_BUTTON);
   Utils.pause(1000);
 }