/**
* @param string $methodName
* @return Spy
*/
public function spy($methodName)
{
$context = $this->_createContext($methodName);
$this->_manager->removeByContext($context);
$invokable = new Spy();
$override = new Override($context, $invokable);
$this->_manager->add($override);
return $invokable;
}
