Change font size to 15px in the test to fix a false negative. Thanks @jitter...

Change font size to 15px in the test to fix a false negative. Thanks @jitter for the catch in 73e4ef27.

test/unit/css.js

@@ -113,8 +113,8 @@ test("css(String, Object)", function() {
 
 	// using contents will get comments regular, text, and comment nodes
 	var j = jQuery("#nonnodes").contents();
-	j.css("fontSize", "1px");
-	equals( j.css("fontSize"), "1px", "Check node,textnode,comment css works" );
+	j.css("fontSize", "15px");
+	equals( j.css("fontSize"), "15px", "Check node,textnode,comment css works" );
 
 	// opera sometimes doesn't update 'display' correctly, see #2037
 	jQuery("#t2037")[0].innerHTML = jQuery("#t2037")[0].innerHTML