Fixed issue with 'moveHost' event handling in the topo view, to
handle multi-homed hosts.

Change-Id: If605388b00aef70ffc89639b60bb88b22f0469d6
(cherry picked from commit 7df764f5ef87a0a205ad4abee0882389ff1892bd)
diff --git a/web/gui/src/main/webapp/tests/package.json b/web/gui/src/main/webapp/tests/package.json
index 59b8102..c0ae7c3 100644
--- a/web/gui/src/main/webapp/tests/package.json
+++ b/web/gui/src/main/webapp/tests/package.json
@@ -26,6 +26,7 @@
     "karma-mocha-reporter": "^1.1.3",
     "karma-ng-html2js-preprocessor": "^0.2.0",
     "karma-phantomjs-launcher": "^0.2.1",
-    "phantomjs": "^2.1.3"
+    "phantomjs": "^2.1.3",
+    "websocket": "^1.0.24"
   }
 }