We want to make sure that we only run the MSIE-specific filter tests if...

We want to make sure that we only run the MSIE-specific filter tests if opacity is explicitly not supported.

test/unit/css.js

@@ -138,14 +138,14 @@ test("css(String, Object)", function() {
 	ok( success, "Setting RGBA values does not throw Error" );
 });
 
-if(jQuery.browser.msie) {
+if ( !jQuery.support.opacity ) {
   test("css(String, Object) for MSIE", function() {
     // for #1438, IE throws JS error when filter exists but doesn't have opacity in it
 		jQuery('#foo').css("filter", "progid:DXImageTransform.Microsoft.Chroma(color='red');");
   	equals( jQuery('#foo').css('opacity'), '1', "Assert opacity is 1 when a different filter is set in IE, #1438" );
 
     var filterVal = "progid:DXImageTransform.Microsoft.Alpha(opacity=30) progid:DXImageTransform.Microsoft.Blur(pixelradius=5)";
-    var filterVal2 = "progid:DXImageTransform.Microsoft.Alpha(opacity=100) progid:DXImageTransform.Microsoft.Blur(pixelradius=5)";
+    var filterVal2 = "progid:DXImageTransform.Microsoft.alpha(opacity=100) progid:DXImageTransform.Microsoft.Blur(pixelradius=5)";
     var filterVal3 = "progid:DXImageTransform.Microsoft.Blur(pixelradius=5)";
     jQuery('#foo').css("filter", filterVal);
     equals( jQuery('#foo').css("filter"), filterVal, "css('filter', val) works" );