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>

test/template_ipsec.py

@@ -151,6 +151,17 @@ class TemplateIpsec(VppTestCase):
         """ empty method to be overloaded when necessary """
         pass
 
+    @classmethod
+    def setUpClass(cls):
+        super(TemplateIpsec, cls).setUpClass()
+
+    @classmethod
+    def tearDownClass(cls):
+        super(TemplateIpsec, cls).tearDownClass()
+
+    def setUp(self):
+        super(TemplateIpsec, self).setUp()
+
     def setup_params(self):
         self.ipv4_params = IPsecIPv4Params()
         self.ipv6_params = IPsecIPv6Params()