diff --git a/test/underscore.html b/test/underscore.html
index 21a5ebfc3..f60b53d70 100644
--- a/test/underscore.html
+++ b/test/underscore.html
@@ -35,7 +35,9 @@
 						'initial works on arguments object'
 					],
 					'intersection': [
-						'can perform an OO-style intersection'
+						'can perform an OO-style intersection',
+						'returns an empty array when passed null as first argument',
+						'returns an empty array when passed null as argument beyond the first'
 					],
 					'rest': [
 						'aliased as drop and works on arguments object',
@@ -138,8 +140,8 @@
 				if (!ui.isModularize) {
 					delete QUnit.config.excused.Functions.partial;
 				}
+				QUnit.config.excused.Arrays.intersection.shift();
 				delete QUnit.config.excused.Arrays.initial;
-				delete QUnit.config.excused.Arrays.intersection;
 				delete QUnit.config.excused.Arrays.rest;
 				delete QUnit.config.excused.Chaining;
 				delete QUnit.config.excused.Collections.map;