test: create/delete test resources scripts (#145)

Author: nmykhailets

packages/google-cloud-retail/samples/package.json

@@ -10,10 +10,12 @@
     "*.js"
   ],
   "scripts": {
-    "test": "c8 mocha --timeout 600000 test/*.js"
+    "test": "c8 mocha"
   },
   "dependencies": {
-    "@google-cloud/retail": "^1.5.0"
+    "@google-cloud/retail": "^1.5.0",
+    "@google-cloud/bigquery": "^5.9.2",
+    "@google-cloud/storage": "^5.16.1"
   },
   "devDependencies": {
     "c8": "^7.1.0",