MAGETWO-58987: Copy paste detector fails in Tax module

Author: serhii-balko

app/code/Magento/Tax/Api/TaxAddressManagerInterface.php

@@ -3,6 +3,7 @@
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
+
 namespace Magento\Tax\Api;
 
 use Magento\Customer\Model\Address;
@@ -27,4 +28,4 @@ public function setDefaultAddressAfterSave(Address $address);
      * @return void
      */
     public function setDefaultAddressAfterLogIn(array $addresses);
-}
+}

app/code/Magento/Tax/Observer/AfterAddressSaveObserver.php

@@ -36,7 +36,7 @@ class AfterAddressSaveObserver implements ObserverInterface
 
     /**
      * Manager to save data in customer session.
-     * 
+     *
      * @var TaxAddressManagerInterface
      */
     private $addressManager;

app/code/Magento/Tax/Test/Unit/Model/TaxAddressManagerTest.php

@@ -6,7 +6,7 @@
 namespace Magento\Tax\Test\Unit\Model;
 
 use Magento\Framework\TestFramework\Unit\Helper\ObjectManager;
-use Magento\Tax\Api\TaxAddressManagerInterface;
+use Magento\Tax\Model\TaxAddressManager;
 use \PHPUnit_Framework_MockObject_MockObject as MockObject;
 
 class TaxAddressManagerTest extends \PHPUnit\Framework\TestCase
@@ -17,7 +17,7 @@ class TaxAddressManagerTest extends \PHPUnit\Framework\TestCase
     private $objectManager;
 
     /**
-     * @var TaxAddressManagerInterface
+     * @var TaxAddressManager
      */
     private $manager;
 
@@ -36,7 +36,7 @@ protected function setUp()
             ->getMock();
 
         $this->manager = $this->objectManager->getObject(
-            TaxAddressManagerInterface::class,
+            TaxAddressManager::class,
             [
                 'customerSession' => $this->customerSessionMock,
             ]