CE-33707: Refactored PHPUnit configuration file for integration framework unit tests

Author: bohdan-harniuk

dev/tests/integration/framework/tests/unit/phpunit.xml.dist

@@ -6,12 +6,11 @@
  */
 -->
 <phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:noNamespaceSchemaLocation="http://schema.phpunit.de/9.1/phpunit.xsd"
+         xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd"
          colors="true"
          columns="max"
          beStrictAboutTestsThatDoNotTestAnything="false"
-         bootstrap="./framework/bootstrap.php"
->
+         bootstrap="./framework/bootstrap.php">
     <!-- Test suites definition -->
     <testsuites>
         <testsuite name="Unit Tests for Integration Tests Framework">