tests/php/Security/VersionedMemberAuthenticatorTest.php

@@ -42,14 +42,6 @@ class VersionedMemberAuthenticatorTest extends SapphireTest
             return;
         }
 
-        // Explicity add the Versioned extension to Member, even though it's already in $required_extensions.
-        // This is done to call `unset(self::class::$extra_methods[strtolower($subclass)]);` in
-        // Extensible::add_extension() so when CustomMethods::getExtraMethodConfig() updates the $extra_methods
-        // it will include methods of Versioned such as publishSingle()
-        // This issue will only occur when running subsequent unit test classes in the same process, rather than this
-        // this unit test class in isolation
-        Member::add_extension(Versioned::class);
-
         // Enforce dummy validation (this can otherwise be influenced by recipe config)
         PasswordValidator::singleton()
             ->setMinLength(0)