SYMFONY_DEPRECATIONS_HELPER to disabled for phpunit test failures due to deprecations

Author: r3hp1c

demo/symfony6.x-orm3/phpunit.xml.dist

@@ -15,6 +15,7 @@
         <server name="SHELL_VERBOSITY" value="-1" />
         <server name="SYMFONY_PHPUNIT_REMOVE" value="" />
         <server name="SYMFONY_PHPUNIT_VERSION" value="9.5" />
+        <env name="SYMFONY_DEPRECATIONS_HELPER" value="disabled" />
     </php>
 
     <testsuites>