/**
  * Returns the value of an element attribute.
  *
  * Note: This method should be named getAttribute(), but that
  *       method is already defined in PHPUnit_Framework_Assert.
  *
  * @param  string  $attributeLocator
  * @return string
  * @access public
  */
 public function getElementAttribute($attributeLocator)
 {
     return $this->selenium->getAttribute($attributeLocator);
 }