Fix #10967: jQuery.fn.promise returns provided object

src/queue.js

@@ -174,7 +174,7 @@ jQuery.fn.extend({
 			}
 		}
 		resolve();
-		return defer.promise();
+		return defer.promise( object );
 	}
 });
 

test/unit/queue.js

@@ -293,3 +293,13 @@ test("promise()", function() {
 		this.dequeue();
 	});
 });
+
+test(".promise(obj)", function() {
+	expect(2);
+
+	var obj = {};
+	var promise = jQuery( "#foo" ).promise( "promise", obj );
+
+	ok( jQuery.isFunction( promise.promise ), ".promise(type, obj) returns a promise" );
+	strictEqual( promise, obj, ".promise(type, obj) returns obj" );
+});