Suppress warnings of long var names in testcases

I Think a shorter variable naming in tests would not only shorten the
code, but also make it harder to understand.

Author: renttek

setup/src/Magento/Setup/Test/Unit/Model/ConfigGeneratorTest.php

@@ -29,6 +29,9 @@ class ConfigGeneratorTest extends \PHPUnit\Framework\TestCase
      */
     private $configDataMock;
 
+    /**
+     * @SuppressWarnings(PHPMD.LongVariable)
+     */
     public function setUp()
     {
         $objectManager = new \Magento\Framework\TestFramework\Unit\Helper\ObjectManager($this);

setup/src/Magento/Setup/Test/Unit/Module/ConfigGeneratorTest.php

@@ -23,6 +23,9 @@ class ConfigGeneratorTest extends TestCase
      */
     private $configGeneratorObject;
 
+    /**
+     * @SuppressWarnings(PHPMD.LongVariable)
+     */
     protected function setUp()
     {
         /** @var DeploymentConfig|\PHPUnit_Framework_MockObject_MockObject $deployConfig */