Tests Cleanup: Fix missing calls to setUpClass/tearDownClass.

Continuation/Part 2 of https://gerrit.fd.io/r/#/c/17092/

Change-Id: Id0122d84eaf2c05d29e5be63a594d5e528ee7c9a
Signed-off-by: Paul Vinciguerra <pvinci@vinciconsulting.com>
diff --git a/test/test_fib.py b/test/test_fib.py
index 2f4d726..6acde0a 100644
--- a/test/test_fib.py
+++ b/test/test_fib.py
@@ -8,6 +8,14 @@
 class TestFIB(VppTestCase):
     """ FIB Test Case """
 
+    @classmethod
+    def setUpClass(cls):
+        super(TestFIB, cls).setUpClass()
+
+    @classmethod
+    def tearDownClass(cls):
+        super(TestFIB, cls).tearDownClass()
+
     def test_fib(self):
         """ FIB Unit Tests """
         error = self.vapi.cli("test fib")