MAGETWO-69137: upgrading Magento2 Project PHPUnit version to latest

 - changed unit tests to support PHPUnit 6.2

Author: Robert He

.travis.yml

@@ -59,6 +59,6 @@ script:
   - test $TEST_SUITE = "functional" && TEST_FILTER='dev/tests/functional/testsuites/Magento/Mtf/TestSuite/InjectableTests.php' || true
 
   # The scripts for grunt/phpunit type tests
-  - if [ $TEST_SUITE == "functional" ]; then dev/tests/functional/vendor/phpunit/phpunit/phpunit --debug --verbose -c dev/tests/$TEST_SUITE $TEST_FILTER; fi
-  - if [ $TEST_SUITE != "functional" ] && [ $TEST_SUITE != "js" ]; then phpunit --debug --verbose -c dev/tests/$TEST_SUITE $TEST_FILTER; fi
+  - if [ $TEST_SUITE == "functional" ]; then dev/tests/functional/vendor/phpunit/phpunit/phpunit -c dev/tests/$TEST_SUITE $TEST_FILTER; fi
+  - if [ $TEST_SUITE != "functional" ] && [ $TEST_SUITE != "js" ]; then phpunit -c dev/tests/$TEST_SUITE $TEST_FILTER; fi
   - if [ $TEST_SUITE == "js" ]; then grunt $GRUNT_COMMAND; fi

lib/internal/Magento/Framework/EntityManager/EntityManager.php

@@ -22,8 +22,6 @@
  *
  * For filtering operations, it's recommended to use successor of
  * Magento\Framework\Model\ResourceModel\Db\Collection\AbstractCollection class.
- *
- * @SuppressWarnings(PHPMD.CouplingBetweenObjects)
  */
 class EntityManager
 {