human
Solve the following python programming problem given the following code:
@ pytest.fixture 
def MockProtocol() : 
    MockProtocolClass = mock.create_autospec (growler.http.GrowlerHTTPProtocol) 
    def buildMockProtocol(app) : 
        protocol = mock.Mock (spec = growler.http.GrowlerHTTPProtocol) 
        return protocol 
return <MASK> 
    
    Given the code above, what is a proper replacement for <MASK>? Choose among: MockProtocolClass
assistant
#Here is a proper replacement for <MASK>.
def buildMockProtocol(