import from src/RPCLibrary

test/Test.ts

 import { describe, it } from "mocha";
 
-import { RPCServer } from '../src/Backend'
+import { RPCServer, RPCSocket, SubscriptionResponse, makeSubResponse } from '../src/RPCLibrary'
 import * as uuidv4 from "uuid/v4"
-import { RPCSocket } from "../src/Frontend";
-import { SubscriptionResponse } from "../src/Types";
-import { makeSubResponse } from "../src/Utils";
 
 const add = (...args:number[]) => {return args.reduce((a,b)=>a+b, 0)}
 function makeServer(){