Use unittest.mock instead of third party mock

Now that we no longer support py27, we can use the standard library
unittest.mock module instead of the third party mock lib.

Change-Id: I1e30d77b7ca98c08ec8c42a18df863b202525418
Signed-off-by: Sean McGinnis <sean.mcginnis@gmail.com>

dracclient/tests/test_bios.py

@@ -12,9 +12,9 @@
 #    under the License.
 
 import re
+from unittest import mock
 
 import lxml.etree
-import mock
 import requests_mock
 
 import dracclient.client

dracclient/tests/test_client.py

@@ -11,7 +11,8 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import mock
+from unittest import mock
+
 import requests_mock
 
 import dracclient.client

dracclient/tests/test_idrac_card.py

@@ -12,8 +12,9 @@
 #    under the License.
 
 import lxml.etree
-import mock
 import re
+from unittest import mock
+
 import requests_mock
 
 import dracclient.client

dracclient/tests/test_inventory.py

@@ -11,7 +11,8 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import mock
+from unittest import mock
+
 import requests_mock
 
 import dracclient.client

dracclient/tests/test_job.py

@@ -13,7 +13,8 @@
 
 import datetime
 import lxml.etree
-import mock
+from unittest import mock
+
 import requests_mock
 
 import dracclient.client

dracclient/tests/test_lifecycle_controller.py

@@ -12,8 +12,9 @@
 #    under the License.
 
 import lxml.etree
-import mock
 import re
+from unittest import mock
+
 import requests_mock
 
 import dracclient.client

dracclient/tests/test_nic.py

@@ -13,8 +13,9 @@
 
 import datetime
 import lxml.etree
-import mock
 import re
+from unittest import mock
+
 import requests_mock
 
 import dracclient.client

dracclient/tests/test_raid.py

@@ -14,9 +14,10 @@
 
 import collections
 import lxml.etree
-import mock
 import random
 import re
+from unittest import mock
+
 import requests_mock
 
 import dracclient.client

dracclient/tests/test_system.py

@@ -11,7 +11,8 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import mock
+from unittest import mock
+
 import requests_mock
 
 import dracclient.client

dracclient/tests/test_wsman.py

@@ -12,11 +12,11 @@
 #    under the License.
 
 import collections
+from unittest import mock
 import uuid
 
 import lxml.etree
 import lxml.objectify
-import mock
 import requests.exceptions
 import requests_mock
 import six

test-requirements.txt

@@ -5,5 +5,4 @@
 coverage>=3.6
 doc8
 hacking>=1.1.0,<1.2.0 # Apache-2.0
-mock>=2.0
 requests-mock>=1.0