Stop time.sleep mocks in unit tests

tVpeApproxVnf and TestProxSocketHelper classes mock "time.sleep" in
the setUp method without deleting it at the end of the test execution.

JIRA: YARDSTICK-1243

Change-Id: Iff31d9c7b400ad8a47f37792aeb0d20328b9d9e1
Signed-off-by: Rodolfo Alonso Hernandez <rodolfo.alonso.hernandez@intel.com>
(cherry picked from commit 9b22f5b23050a0be67f8237e4d0b412f58b43472)

2 files changed, 12 insertions, 2 deletions

diff --git a/yardstick/tests/unit/network_services/vnf_generic/vnf/test_prox_helpers.py b/yardstick/tests/unit/network_services/vnf_generic/vnf/test_prox_helpers.py
index c0f09ed3a..0cb11933f 100644
--- a/yardstick/tests/unit/network_services/vnf_generic/vnf/test_prox_helpers.py
+++ b/yardstick/tests/unit/network_services/vnf_generic/vnf/test_prox_helpers.py
@@ -290,7 +290,12 @@ no data length value
 class TestProxSocketHelper(unittest.TestCase):
 
     def setUp(self):
-        self.mock_time_sleep = mock.patch.object(time, 'sleep').start()
+        self._mock_time_sleep = mock.patch.object(time, 'sleep')
+        self.mock_time_sleep = self._mock_time_sleep.start()
+        self.addCleanup(self._stop_mocks)
+
+    def _stop_mocks(self):
+        self._mock_time_sleep.stop()
 
     @mock.patch('yardstick.network_services.vnf_generic.vnf.prox_helpers.socket')
     def test___init__(self, mock_socket):
diff --git a/yardstick/tests/unit/network_services/vnf_generic/vnf/test_vpe_vnf.py b/yardstick/tests/unit/network_services/vnf_generic/vnf/test_vpe_vnf.py
index 4fd51f0e3..73f91d1b1 100644
--- a/yardstick/tests/unit/network_services/vnf_generic/vnf/test_vpe_vnf.py
+++ b/yardstick/tests/unit/network_services/vnf_generic/vnf/test_vpe_vnf.py
@@ -536,7 +536,12 @@ class TestVpeApproxVnf(unittest.TestCase):
     }
 
     def setUp(self):
-        self.mock_sleep = mock.patch.object(time, 'sleep').start()
+        self._mock_time_sleep = mock.patch.object(time, 'sleep')
+        self.mock_time_sleep = self._mock_time_sleep.start()
+        self.addCleanup(self._stop_mocks)
+
+    def _stop_mocks(self):
+        self._mock_time_sleep.stop()
 
     def test___init__(self):
         vpe_approx_vnf = VpeApproxVnf(NAME, self.VNFD_0)