diff --git a/test/E2ETests/compiler/shared/Mocks/StartupSocialTesting.cs b/test/E2ETests/compiler/shared/Mocks/StartupSocialTesting.cs
index 2171a6a9ef..cdb07ef61d 100644
--- a/test/E2ETests/compiler/shared/Mocks/StartupSocialTesting.cs
+++ b/test/E2ETests/compiler/shared/Mocks/StartupSocialTesting.cs
@@ -1,5 +1,4 @@
 using System;
-using System.IO;
 using Microsoft.AspNet.Authentication.Facebook;
 using Microsoft.AspNet.Authentication.Google;
 using Microsoft.AspNet.Authentication.MicrosoftAccount;
@@ -32,13 +31,8 @@ namespace MusicStore
             //then the later source will win. By this way a Local config can be overridden by a different setting while deployed remotely.
             Configuration = new Configuration()
                         .AddJsonFile("config.json")
-                        .AddEnvironmentVariables(); //All environment variables in the process's context flow in as configuration values.
-
-            // Used to override some configuration parameters that cannot be overridden by environment.
-            if (File.Exists(Path.Combine(appEnvironment.ApplicationBasePath, "configoverride.json")))
-            {
-                ((Configuration)Configuration).AddJsonFile("configoverride.json");
-            }
+                        .AddEnvironmentVariables() //All environment variables in the process's context flow in as configuration values.
+                        .AddJsonFile("configoverride.json", optional: true); // Used to override some configuration parameters that cannot be overridden by environment.
         }
 
         public IConfiguration Configuration { get; private set; }