message: [VCX] fix python wrapper unit test
diff: @@ -35,8 +35,9 @@ async def test_connection_send_message():
  connection = await Connection.create(source_id)
  invite_details = await connection.connect(connection_options)
  assert invite_details
  + with pytest.raises(VcxError) as e:
  msg_id = await connection.send_message("msg","type","title")
  - assert msg_id
  + assert ErrorCode.NotReady == e.value.error_code
  @pytest.mark.asyncio
  @pytest.mark.usefixtures('vcx_init_test_mode')
  