Reverted change for test_vlan.py

Author: vmittal-msft

tests/test_vlan.py

@@ -7,7 +7,6 @@
 @pytest.mark.usefixtures("testlog")
 @pytest.mark.usefixtures('dvs_vlan_manager')
 @pytest.mark.usefixtures('dvs_lag_manager')
-
 class TestVlan(object):
 
     def check_syslog(self, dvs, marker, process, err_log, vlan_str, expected_cnt):
@@ -493,7 +492,6 @@ def proxy_arp_disabled():
         self.dvs_vlan.remove_vlan(vlan)
         self.dvs_vlan.get_and_verify_vlan_ids(0)
 
-    @pytest.mark.skip(reason="Failing Under investigation")
     def test_VlanMemberLinkDown(self, dvs):
 
         # TODO: add_ip_address has a dependency on cdb within dvs,