adjust pytest marks

Author: scetron

pytest.ini

@@ -40,10 +40,12 @@ markers =
     find
     help
     interface
+    igmp
     lpm
     mac
     namespace
     route
+    mroute
     show
     sqcmds
     summarize
@@ -133,6 +135,7 @@ markers =
     nxos
     panos
     vmx
+    multicast
 
     # misc
     recursive
@@ -155,7 +158,7 @@ markers =
     lldp
     macs
     mlag
-    mroutes
+    mroute
     network
     ospf
     ospfIf