fix(dev): Fix cypress open task.

Author: Jay Freestone

package.json

@@ -10,7 +10,7 @@
     "dev": "rollup -c -w",
     "test": "concurrently \"npm:serve\" \"cypress run\"",
     "test:ci": "npm run serve & wait-on http://localhost:8080 && cypress run",
-    "test:open": "concurrently\"npm:serve\" \"cypress open\"",
+    "test:open": "concurrently \"npm:serve\" \"cypress open\"",
     "serve": "http-server"
   },
   "repository": {