Exports port 7687 for neo4j browser

src/test/clmctest/rspec.json

@@ -2,7 +2,8 @@
     "name": "clmc-service",
     "ip_address": "172.40.231.51",
     "forward_ports": [
-        { "guest": 80, "host": 80 }
+        { "guest": 80, "host": 80 },
+        { "guest": 7687, "host": 7687 }
     ]
 },
 {