Evaluate all env vars as part of async flow start

test/node_modules/nr-test-utils/index.js

@@ -16,7 +16,6 @@
 
 
 const path = require("path");
-const fs = require("fs");
 
 const PACKAGE_ROOT = "../../../packages/node_modules";
 
@@ -27,5 +26,10 @@ module.exports = {
     },
     resolve: function(file) {
         return path.resolve(path.join(__dirname,PACKAGE_ROOT,file));
+    },
+    sleep: async (time) => {
+        return new Promise(resolve => {
+            setTimeout(resolve, time)
+        })
     }
 }