Fix common tests, and add back in undocumented, but necessary array position format

tests/unit/draggable/draggable_common.js

@@ -27,18 +27,11 @@ TestHelpers.commonWidgetTests( "draggable", {
 		snapTolerance: 20,
 		stack: false,
 		zIndex: false,
-		cancel: null
+		cancel: null,
 
-		// // methods
-		// destroy: null,
-		// disable: null,
-		// enable: null,
-		// option: null,
-		// widget: null,
-
-		// // callbacks
+		// callbacks
 		// beforeStart: null,
-		// create: null,
+		create: null
 		// drag: null,
 		// start: null,
 		// stop: null

tests/unit/draggable/draggable_options.js

@@ -266,6 +266,7 @@ test( "{ cursorAt: left, top }", function() {
 		deltaY = -3,
 		tests = {
 			"{ left: -5, top: -5 }": { x: -5, y: -5, cursorAt : { left: -5, top: -5 } },
+			"[ 10, 20 ]": { x: 10, y: 20, cursorAt : [ 10, 20 ] },
 			"{ left: 20, top: 40 }": { x: 20, y: 40, cursorAt : { left: 20, top: 40 } },
 			"{ right: 10, bottom: 20 }": { x: 10, y: 20, cursorAt : { right: 10, bottom: 20 } }
 		};