tmp remove prod flag for mock response (#5110)

Author: chitalian

worker/src/lib/clients/ProviderClient.ts

@@ -100,11 +100,12 @@ export async function callProvider(props: CallProps): Promise<Response> {
 
   const mockResponseHeader = headers.get("__helicone-mock-response");
   if (mockResponseHeader) {
-    if (env.ENVIRONMENT === "production") {
-      return new Response("Mock responses not allowed in production", {
-        status: 403,
-      });
-    }
+    // temporarily remove for load testing
+    // if (env.ENVIRONMENT === "production") {
+    // return new Response("Mock responses not allowed in production", {
+    //   status: 403,
+    // });
+    // }
 
     try {
       const mockResponseBody = JSON.parse(mockResponseHeader);