Fix: increase OSPF-with-EVPN prefix propagation wait time to make it symmetrical

Author: ipspace

tests/integration/evpn/22-ospf-ce-router.yml

@@ -65,7 +65,7 @@ validate:
     plugin: ospf_prefix(nodes.ce2.loopback.ipv4)
   pfx_ce1:
     description: Check CE1 loopback on CE2
-    wait: 15
+    wait: 30
     wait_msg: Waiting for BGP/OSPF convergence
     nodes: [ ce2 ]
     plugin: ospf_prefix(nodes.ce1.loopback.ipv4)