Progressbar: Use new has/lacksClasses assertions for all class checks

Author: arschmitz

tests/unit/progressbar/progressbar_methods.js

@@ -9,14 +9,14 @@ test( "destroy", function() {
 	});
 });
 
-test( "disable", function() {
+test( "disable", function( assert ) {
 	expect( 3 );
 
 	var element = $( "#progressbar" ).progressbar().progressbar( "disable" );
 
-	ok( element.progressbar( "widget" ).hasClass( "ui-state-disabled" ), "element gets ui-state-disabled" );
+	assert.hasClasses( element.progressbar( "widget" ), "ui-state-disabled" );
 	ok( element.progressbar( "widget" ).attr( "aria-disabled" ), "element gets aria-disabled" );
-	ok( element.progressbar( "widget" ).hasClass( "ui-progressbar-disabled" ), "element gets ui-progressbar-disabled" );
+	assert.hasClasses( element.progressbar( "widget" ), "ui-progressbar-disabled" );
 });
 
 test( "value", function() {