VOL-1059: Test Case: Unicast flow setup ctag/stag assignment

Removing un-needed s/c tag inequality test

Change-Id: Ia0da32101f590b76170994f05ce6072f3a9bce2b
diff --git a/tests/atests/common/testCaseUtils.py b/tests/atests/common/testCaseUtils.py
index 7ed9cf3..1fe4f82 100755
--- a/tests/atests/common/testCaseUtils.py
+++ b/tests/atests/common/testCaseUtils.py
@@ -168,3 +168,7 @@
                  % (new_ip_addr, get_dir(self, 'voltha'))
     status = commands.getstatusoutput(sedCommand)[0]
     return status
+
+
+def discover_rg_pod_name():
+    return extract_pod_name('rg-').strip()