[1.7.0] Add missing includes for AttrTypes, add phantom unit test for future things to come

git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@1087 48356398-32a2-884e-a903-53898d9a118a

tests/HTMLPurifier/AttrTypesTest.php

@@ -16,6 +16,11 @@ class HTMLPurifier_AttrTypesTest extends UnitTestCase
         $this->expectError('Cannot retrieve undefined attribute type foobar');
         $types->get('foobar');
         
+        //$this->assertIdentical(
+        //    $types->get('Enum#foo,bar'),
+        //    new HTMLPurifier_AttrDef_Enum(array('foo', 'bar'))
+        //);
+        
     }
     
 }