Mock part of python 3.x (PyCQA#685)

Now that Bandit is Python 3.5+ only, there is no need to install
the mock library. The mock library became part of base Python as
of Python 3.3. See [1]

[1] https://pypi.org/project/mock/

Signed-off-by: Eric Brown <browne@vmware.com>

Co-authored-by: Luke Hinds <7058938+lukehinds@users.noreply.github.com>

test-requirements.txt

@@ -4,7 +4,6 @@
 coverage>=4.5.4 # Apache-2.0
 fixtures>=3.0.0 # Apache-2.0/BSD
 hacking>=2.0.0 # Apache-2.0
-mock>=3.0.5 # BSD
 stestr>=2.5.0 # Apache-2.0
 testscenarios>=0.5.0 # Apache-2.0/BSD
 testtools>=2.3.0 # MIT

tests/unit/cli/test_baseline.py

@@ -6,10 +6,10 @@
 
 import os
 import subprocess
+from unittest import mock
 
 import fixtures
 import git
-import mock
 import testtools
 
 import bandit.cli.baseline as baseline

tests/unit/cli/test_config_generator.py

@@ -6,8 +6,8 @@
 
 import importlib
 import logging
+from unittest import mock
 
-import mock
 import testtools
 import yaml
 

tests/unit/cli/test_main.py

@@ -4,9 +4,9 @@
 
 import logging
 import os
+from unittest import mock
 
 import fixtures
-import mock
 import testtools
 
 from bandit.cli import main as bandit

tests/unit/core/test_config.py

@@ -5,10 +5,10 @@
 import os
 import tempfile
 import textwrap
+from unittest import mock
 import uuid
 
 import fixtures
-import mock
 import testtools
 
 from bandit.core import config

tests/unit/core/test_context.py

@@ -5,8 +5,8 @@
 # SPDX-License-Identifier: Apache-2.0
 
 import ast
+from unittest import mock
 
-import mock
 import testtools
 
 from bandit.core import context

tests/unit/core/test_issue.py

@@ -4,7 +4,8 @@
 #
 # SPDX-License-Identifier: Apache-2.0
 
-import mock
+from unittest import mock
+
 import testtools
 
 import bandit

tests/unit/core/test_manager.py

@@ -5,9 +5,9 @@
 # SPDX-License-Identifier: Apache-2.0
 
 import os
+from unittest import mock
 
 import fixtures
-import mock
 import testtools
 
 from bandit.core import config

tests/unit/core/test_test_set.py

@@ -4,7 +4,8 @@
 #
 # SPDX-License-Identifier: Apache-2.0
 
-import mock
+from unittest import mock
+
 from stevedore import extension
 import testtools
 

tests/unit/formatters/test_html.py

@@ -5,9 +5,9 @@
 
 import collections
 import tempfile
+from unittest import mock
 
 import bs4
-import mock
 import testtools
 
 import bandit

tests/unit/formatters/test_json.py

@@ -5,8 +5,8 @@
 import collections
 import json
 import tempfile
+from unittest import mock
 
-import mock
 import testtools
 
 import bandit

tests/unit/formatters/test_screen.py

@@ -5,8 +5,8 @@
 
 import collections
 import tempfile
+from unittest import mock
 
-import mock
 import testtools
 
 import bandit

tests/unit/formatters/test_text.py

@@ -5,8 +5,8 @@
 
 import collections
 import tempfile
+from unittest import mock
 
-import mock
 import testtools
 
 import bandit

tests/unit/formatters/test_yaml.py

@@ -4,8 +4,8 @@
 
 import collections
 import tempfile
+from unittest import mock
 
-import mock
 import testtools
 import yaml