MAGETWO-69137: upgrading Magento2 Project PHPUnit version to latest

 - changed unit tests to support PHPUnit 6.2

Author: Robert He

app/code/Magento/AdvancedPricingImportExport/Test/Unit/Model/Import/AdvancedPricing/Validator/WebsiteTest.php

@@ -27,7 +27,7 @@ class WebsiteTest extends \PHPUnit\Framework\TestCase
 
     protected function setUp()
     {
-        $this->webSiteModel = $this->getMockBuilder('Magento\Store\Model\WebSite')
+        $this->webSiteModel = $this->getMockBuilder(\Magento\Store\Model\WebSite::class)
             ->setMethods(['getBaseCurrency'])
             ->disableOriginalConstructor()
             ->getMock();

app/code/Magento/Email/Test/Unit/Block/Adminhtml/Template/EditTest.php

@@ -66,7 +66,7 @@ protected function setUp()
             ['getFilesystem', '__wakeup', 'getPath', 'getDirectoryRead']
         );
 
-        $viewFilesystem = $this->getMockBuilder('Magento\Framework\View\Filesystem')
+        $viewFilesystem = $this->getMockBuilder(\Magento\Framework\View\Filesystem::class)
             ->setMethods(['getTemplateFileName'])
             ->disableOriginalConstructor()
             ->getMock();

dev/tests/integration/testsuite/Magento/Customer/Controller/Adminhtml/IndexTest.php

@@ -762,10 +762,9 @@ protected function prepareEmailMock($occurrenceNumber, $templateId, $sender, $cu
         $storeId = $customer->getStoreId();
         $name = $this->customerViewHelper->getCustomerName($customer);
 
-        $transportMock = $this->createPartialMock(
-            \Magento\Framework\Mail\TransportInterface::class,
-            ['sendMessage']
-        );
+        $transportMock = $this->getMockBuilder(\Magento\Framework\Mail\TransportInterface::class)
+            ->setMethods(['sendMessage'])
+            ->getMockForAbstractClass();
         $transportMock->expects($this->exactly($occurrenceNumber))
             ->method('sendMessage');
         $transportBuilderMock = $this->getMockBuilder(\Magento\Framework\Mail\Template\TransportBuilder::class)

dev/tests/integration/testsuite/Magento/Setup/Console/Command/DeployStaticContentCommandTest.php

@@ -23,7 +23,7 @@
 /**
  * @SuppressWarnings(PHPMD.CouplingBetweenObjects)
  */
-class DeployStaticContentCommandTest extends \PHPUnit_Framework_TestCase
+class DeployStaticContentCommandTest extends \PHPUnit\Framework\TestCase
 {
     /**
      * @var ObjectManagerInterface