Add mock to test-requirements.txt

Author: ryansb

test-requirements.txt

@@ -1,3 +1,4 @@
+mock
 pytest
-pytest-xdist
 pytest-cov
+pytest-xdist

test_cfn_resource.py

@@ -1,4 +1,6 @@
 import json
+import mock
+
 import cfn_resource
 
 
@@ -56,7 +58,6 @@ def wrapper(*args):
 
 ### Tests for the wrapper function
 
-import mock
 
 @mock.patch('urllib2.urlopen')
 def test_client_code_failure(urlmock):
@@ -77,6 +78,7 @@ def flaky_function(*args):
     assert reply['StackId'] == base_event['StackId']
     assert reply['Reason'] == "Exception was raised while handling custom resource"
 
+
 @mock.patch('urllib2.urlopen')
 def test_sends_put_request(urlmock):
     rsrc = cfn_resource.Resource()