chore: add missing dev dependency

package.json

@@ -36,9 +36,10 @@
     "@types/p-limit": "^2.0.0",
     "@types/pify": "^3.0.2",
     "@types/proxyquire": "^1.3.28",
-    "@types/request": "^2.47.1",
+    "@types/request": "^2.48.1",
     "@types/semver": "^5.3.32",
     "@types/uuid": "^3.4.4",
+    "broken-link-checker-local": "^0.2.0",
     "changelog-maker": "^2.2.2",
     "codecov": "^3.0.4",
     "cross-env": "^5.2.0",
@@ -52,11 +53,11 @@
     "nyc": "^13.1.0",
     "post-install-check": "0.0.1",
     "proxyquire": "^2.0.0",
+    "request": "^2.88.0",
     "require-inject": "^1.4.3",
     "source-map-support": "^0.5.6",
     "typescript": "~3.3.0",
-    "uuid": "^3.3.2",
-    "broken-link-checker-local": "^0.2.0"
+    "uuid": "^3.3.2"
   },
   "dependencies": {
     "@google-cloud/common": "^0.27.0",

test/auth-request.ts

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-import * as request from 'request';  // types only
+import * as request from 'request';
 
 export function authRequest(options: (request.UriOptions&request.CoreOptions)|(
     request.UrlOptions & request.CoreOptions)): Promise<request.Response> {