Fix simple-peer mock

__mocks__/simple-peer.js

@@ -1,12 +0,0 @@
-/* eslint-disable */
-import EventEmitter from 'events'
-const Peer = jest.fn().mockImplementation(() => {
-  const peer = new EventEmitter()
-  peer.destroy = jest.fn()
-  peer.signal = jest.fn()
-  peer.send = jest.fn()
-  Peer.instances.push(peer)
-  return peer
-})
-Peer.instances = []
-export default Peer

src/__mocks__/simple-peer.ts

@@ -0,0 +1,14 @@
+/* eslint-disable */
+import EventEmitter from 'events'
+
+const Peer = jest.fn().mockImplementation(() => {
+  const peer = new EventEmitter();
+  (peer as any).destroy = jest.fn();
+  (peer as any).signal = jest.fn();
+  (peer as any).send = jest.fn();
+  (Peer as any).instances.push(peer)
+  return peer
+});
+
+(Peer as any).instances = []
+export default Peer

src/client/actions/CallActions.ts

@@ -1,11 +1,10 @@
+import * as constants from '../constants'
+import socket from '../socket'
+import { Dispatch, ThunkResult } from '../store'
+import { callId, getUserMedia } from '../window'
 import * as NotifyActions from './NotifyActions'
 import * as SocketActions from './SocketActions'
 import * as StreamActions from './StreamActions'
-import * as constants from '../constants'
-import socket from '../socket'
-import { callId, getUserMedia } from '../window'
-import { Dispatch, GetState, ThunkResult } from '../store'
-import { makeAction } from '../async'
 
 export interface InitAction {
   type: 'INIT'

src/client/actions/PeerActions.test.ts

@@ -111,7 +111,7 @@ describe('PeerActions', () => {
         expect(messages[messages.length - 1]).toEqual({
           userId: 'user2',
           timestamp: jasmine.any(String),
-          image: null,
+          image: undefined,
           message: 'test',
         })
       })