Build/Test tools: Remove unnecessary PHP functionality tests from the test suite.

Props Frank Klein
Fixes #42277


git-svn-id: https://develop.svn.wordpress.org/trunk@42381 602fd350-edb4-49c9-b593-d223f7449a82

tests/phpunit/includes/class-basic-object.php

@@ -7,6 +7,8 @@
  * @since 4.7.0
  */
 
+trigger_error( __FILE__ . ' is deprecated since version 5.0.0 with no alternative available.' );
+
 /**
  * Class used to test accessing methods and properties
  *