Cut: Drop external mock test dependency (evenicoulddoit#51)

CHANGELOG.md

@@ -10,6 +10,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 * Introduced `black` and `isort` to standardise coding style
 * Restructures requirements to create single source of truth
 * Drops `./runtest` executable, `pytest` now direct route
+* Drops `mock` dependency, in favour of `unittest.mock`
 
 ## [2.0.1] - 2020-09-20
 ### Fixed

requirements-test.txt

@@ -4,7 +4,6 @@
 django-test-plus==1.4.0
 Django>=2.1.15,<4
 djangorestframework>=3.9.4
-mock==2.0.0
 pytest-cov==2.6.1
 pytest-django==3.4.8
 pytest==4.4.1

tests/test_auto_optimise.py

@@ -1,8 +1,9 @@
+from unittest.mock import patch
+
 import django
 from django.db import connection
 from django.http import QueryDict
 from django.test import override_settings, RequestFactory
-from mock import patch
 from rest_framework.fields import SerializerMethodField
 from test_plus.test import CBVTestCase
 

tests/test_views.py

@@ -1,6 +1,7 @@
+from unittest.mock import patch
+
 from django.http import QueryDict
 from django.test import override_settings, RequestFactory, TestCase
-from mock import patch
 from test_plus.test import CBVTestCase
 
 from rest_framework_serializer_extensions.utils import (