layer3 profile fixes

Signed-off-by: shivamcandela <shivam.thakur@candelatech.com>

py-json/l3_cxprofile.py

@@ -252,6 +252,7 @@ class L3CXProfile(LFCliBase):
                 self.fail("FAIL: Not all stations increased traffic")
                 self.exit_fail()
             try:
+                self.refresh_cx()
                 cx_data = self.json_get("/cx/all")
                 cx_data.pop("handler")
                 cx_data.pop("uri")

py-scripts/test_ipv4_variable_time.py

@@ -128,6 +128,7 @@ class IPV4VariableTime(Realm):
 
     def pre_cleanup(self):
         self.cx_profile.cleanup_prefix()
+        if self.create_sta:
             for sta in self.sta_list:
                 self.rm_port(sta, check_exists=True)
 
@@ -385,7 +386,6 @@ python3 ./test_ipv4_variable_time.py
                                    traffic_type=args.traffic_type,
                                    _debug_on=args.debug)
 
-    if create_sta:
     ip_var_test.pre_cleanup()
 
     ip_var_test.build()