updated as per review suggestion

Author: lukaszczerpak-cloudinary

wtp/apiCaller.js

@@ -74,7 +74,7 @@ const runWtpTest = async (url, mobile, cb) => {
             fvonly: 1, // first view only
             timeline: 1 // workaround for WPT sometimes hanging on getComputedStyle()
           },
-    headers: { 'User-Agent': 'WebSpeedTest', 'X-WPT-API-KEY': apiKeys.get() },
+    headers: { 'User-Agent': 'WebSpeedTest', 'X-WPT-API-KEY': apiKeys.getRandom() },
     throwHttpErrors: false
   };
   let response;

wtp/apiKey.js

@@ -2,12 +2,12 @@
 
 const config = require('config');
 
-function get() {
+function getRandom() {
   const apiKeys = config.get('wtp.apiKey').split(',');
   const apiKey = apiKeys[Math.floor(Math.random() * apiKeys.length)];
   return apiKey;
 }
 
 module.exports = {
-  get
+  getRandom: getRandom
 };

wtp/locationSelector.js

@@ -28,7 +28,7 @@ class LocationSelector {
         let options = {
             method: "GET",
             url: GET_LOCATIONS,
-            headers: {'User-Agent': 'WebSpeedTest', 'X-WPT-API-KEY': apiKeys.get()},
+            headers: {'User-Agent': 'WebSpeedTest', 'X-WPT-API-KEY': apiKeys.getRandom()},
         };
         let response;
         let rollBarMsg = {};