diff --git a/test/unit/css.js b/test/unit/css.js
index 0c31e36eb..e232f5db0 100644
--- a/test/unit/css.js
+++ b/test/unit/css.js
@@ -1705,7 +1705,7 @@ QUnit.test( "Do not throw on frame elements from css method (trac-15098)", funct
 ( function() {
 	var vendorPrefixes = [ "Webkit", "Moz", "ms" ];
 
-	QUnit.test( "Don't default to a cached previously used wrong prefixed name (gh-2015)", function( assert ) {
+	QUnit.test( "Don't default to a previously used wrong prefixed name (gh-2015)", function( assert ) {
 
 		// Note: this test needs a property we know is only supported in a prefixed version
 		// by at least one of our main supported browsers. This may get out of date so let's
@@ -1761,7 +1761,7 @@ QUnit.test( "Do not throw on frame elements from css method (trac-15098)", funct
 
 } )();
 
-QUnit.test( "Don't detect fake set properties on a node when caching the prefixed version", function( assert ) {
+QUnit.test( "Don't update existing unsupported prefixed properties", function( assert ) {
 	assert.expect( 1 );
 
 	var elem = jQuery( "<div></div>" ),
@@ -1769,7 +1769,7 @@ QUnit.test( "Don't detect fake set properties on a node when caching the prefixe
 	style.MozFakeProperty = "old value";
 	elem.css( "fakeProperty", "new value" );
 
-	assert.equal( style.MozFakeProperty, "old value", "Fake prefixed property is not cached" );
+	assert.equal( style.MozFakeProperty, "old value", "Fake prefixed property is not set" );
 } );
 
 QUnit.test( "Don't set fake prefixed properties when a regular one is missing", function( assert ) {