message: Add test to use default url in server client module
diff: @@ -125,6 +125,12 @@ it('has remote address shortcut', () => {
  expect(client.remoteAddress).toEqual('127.0.0.1')
  })
  +it('has default remote address if ws param does not set', () => {
  + let pair = new TestPair()
  + let client = new ServerClient(createServer(), pair.left, 1)
  + expect(client.remoteAddress).toEqual('127.0.0.1')
  +})
  +
  it('reports about connection', () => {
  let test = createReporter()
  let fired = []
  