Button tests: Use domEqual() to test destroy().

Author: scottgonzalez

tests/unit/button/button_methods.js

@@ -7,13 +7,10 @@
 module("button: methods");
 
 test("destroy", function() {
-	var beforeHtml = $("#button").parent().html(),
-		afterHtml = $("#button").button().button("destroy").parent().html();
-	// Opera 9 outputs role="" instead of removing the attribute like everyone else
-	if ($.browser.opera) {
-		afterHtml = afterHtml.replace(/ role=""/g, "");
-	}
-	equal( afterHtml, beforeHtml );
+	expect( 1 );
+	domEqual( "#button", function() {
+		$( "#button" ).button().button( "destroy" );
+	});
 });
 
 })(jQuery);