[vstest]VOQ system neighbor delete test

VOQ System neighbor delete test is piggy backed to existing system neigh
test. This test also is the cleanup for the existing system neigh test

Signed-off-by: vedganes <vedavinayagam.ganesan@nokia.com>

Author: vedganes

tests/test_virtual_chassis.py

@@ -214,12 +214,15 @@ def test_chassis_system_interface(self, vct):
                     assert spcfginfo["attached_switch_id"] != lc_switch_id, "RIF system port with wrong switch_id"
 
     def test_chassis_system_neigh(self, vct):
-        """Test neigh record creation and syncing to chassis app db.
+        """Test neigh record create/delete and syncing to chassis app db.
 
         This test validates that:
            (i)   Local neighbor entry is created with encap index
            (ii)  Local neighbor is synced to chassis ap db with assigned encap index
            (iii) Remote neighbor entry is created in ASIC_DB with received encap index
+           (iv)  Local neighbor entry is deleted when neighbor is deleted
+           (v)   Local neighbor delete is synced to chassis ap db
+           (vi)  Remote neighbor entry is cleared in ASIC_DB
         """
 
         if vct is None:
@@ -382,24 +385,7 @@ def test_chassis_system_neigh(self, vct):
 
                     break
 
-    def test_chassis_system_neigh_del(self, vct):
-        """Test neigh record deletion and syncing to chassis app db.
-        
-        Pre-requisites:
-            (i)   Test case: test_chassis_system_neigh
-        This test validates that:
-            (i)   Local neighbor entry is deleted when neighbor is deleted
-            (ii)  Local neighbor delete is synced to chassis ap db
-            (iii) Remote neighbor entry is cleared in ASIC_DB
-        """
-
-        inband_port = "Ethernet0"
-
-        # Test neighbor on Ethernet4 since Ethernet0 is used as Inband port
-        test_neigh_dev = "Ethernet4"
-        test_neigh_ip = "10.8.104.3"
-
-        dvss = vct.dvss
+        # Verify system neighbor delete and clearing
         for name in dvss.keys():
             dvs = dvss[name]