Adding the last test related with connect/disconnect

device/bluetooth/test/bluetooth_test_mac.mm

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "device/bluetooth/test/bluetooth_test_mac.h"
 
 #include <stdint.h>
 
 #include "base/strings/string_number_conversions.h"
 #include "build/build_config.h"
@@ skipping 207 matching lines @@
 void BluetoothTestMac::SimulateGattConnectionError(
     BluetoothDevice* device,
     BluetoothDevice::ConnectErrorCode errorCode) {
   BluetoothLowEnergyDeviceMac* lowEnergyDeviceMac =
       (BluetoothLowEnergyDeviceMac*)device;
   CBPeripheral* peripheral = lowEnergyDeviceMac->GetPeripheral();
   MockCBPeripheral* mockPeripheral = (MockCBPeripheral*)peripheral;
   [mockPeripheral setStateForTesting:CBPeripheralStateDisconnected];
   CBCentralManager* centralManager =
       static_cast<CBCentralManager*>(mock_central_manager_);
-  // TODO(http://crbug.com/585894): Need to convert the connect error code into
-  // NSError
-  NSError* error = [NSError errorWithDomain:@"BluetoothDevice::ConnectErrorCode"
-                                       code:-1
-                                   userInfo:nil];
+  NSError* error =
+      BluetoothAdapterMac::GetNSErrorFromConnectErrorCode(errorCode);
   [centralManager.delegate centralManager:centralManager
                didFailToConnectPeripheral:peripheral
                                     error:error];
 }
 
 void BluetoothTestMac::OnFakeBluetoothDeviceConnectGattCalled() {
   gatt_connection_attempts_++;
 }
 
 void BluetoothTestMac::OnFakeBluetoothGattDisconnect() {
@@ skipping 29 matching lines @@
 //     crypto::SHA256HashString(input_str, raw, sizeof(raw));
 //     if (base::HexEncode(raw, sizeof(raw)) == target) {
 //       return input_str;
 //     }
 //     ++input[0];
 //   }
 //   return "";
 // }
 
 }  // namespace device