Drop testtools from test-requirements.txt

My understanding is that it was mainly being used so we could have sane
testing on py26.  With py26 support being dropped, we no longer need it.

Also drop discover from test-requirements.txt, as we don't seem to
actually use it.

Change-Id: Iee04c42890596d3b483c1473169480a3ae19aac8
Related-Change: I37116731db11449d0c374a6a83a3a43789a19d5f

1 files changed, 3 insertions, 3 deletions

diff --git a/tests/unit/test_multithreading.py b/tests/unit/test_multithreading.py
index 76758b6..8944d48 100644
--- a/tests/unit/test_multithreading.py
+++ b/tests/unit/test_multithreading.py
@@ -13,7 +13,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 import sys
-import testtools
+import unittest
 import threading
 import six
 
@@ -25,7 +25,7 @@ from swiftclient import multithreading as mt
 from .utils import CaptureStream
 
 
-class ThreadTestCase(testtools.TestCase):
+class ThreadTestCase(unittest.TestCase):
     def setUp(self):
         super(ThreadTestCase, self).setUp()
         self.got_items = Queue()
@@ -163,7 +163,7 @@ class TestConnectionThreadPoolExecutor(ThreadTestCase):
             )
 
 
-class TestOutputManager(testtools.TestCase):
+class TestOutputManager(unittest.TestCase):
 
     def test_instantiation(self):
         output_manager = mt.OutputManager()