Fixed TSLint errors

Author: AntonShchemelev

test/simulation.test.ts

@@ -18,6 +18,8 @@ import { FastTracker } from "../lib/fast-tracker";
 import { PeerContext } from "../lib/tracker";
 import { expect } from "chai";
 
+// tslint:disable:no-unused-expression
+
 describe("simulation", () => {
     it("should pass random simulations", () => {
         const simulationsCount = 1000;
@@ -98,7 +100,7 @@ describe("simulation", () => {
             for (const peer of swarm.peers.values()) {
                 const peerData = peersData[peers.indexOf(peer)];
                 expect(peerData).to.exist;
-                expect(peerData!.infoHash).to.be.equal(swarmId);
+                expect(peerData.infoHash).to.be.equal(swarmId);
             }
         }
     });