fix(tests): monkey-patch collections to work around paramunittest module issue

Author: rubik

test_xenon.py

@@ -1,9 +1,14 @@
 # coding=utf-8
 # import mock  # can't use mock because patches influences each other
 import os
+import sys
 import unittest
 import collections
 
+if sys.version_info[:2] >= (3, 10):
+    import collections.abc
+    collections.Mapping = collections.abc.Mapping
+
 import httpretty
 from paramunittest import parametrized