Fix tests: ensure assertions are checked after widget's refreshRender…

…ing(), thus fixing errors on IE10; remove useless inherintance from delite/Widget in test container, now that Scrollable extends Widget.

tests/Scrollable-shared.js

@@ -10,12 +10,14 @@ define([
 	return {
 		"Default CSS" : function () {
 			var w = document.getElementById("sc1");
+			w.validateRendering();
 			assert.isTrue(domClass.contains(w, "test-scrollable-container"), 
 				"Expecting test-scrollable-container CSS class! (id='sc1')");
 			assert.isTrue(domClass.contains(w, "d-scrollable"), // class added by the mixin delite/Scrollable
 				"Expecting d-scrollable CSS class! (id='sc1')");
 
 			w = document.getElementById("sc2"); // with scrollDirection == "none"
+			w.validateRendering();
 			assert.equal(w.scrollDirection, "none", "wrong scroll direction for id=sc2!");
 			assert.isTrue(domClass.contains(w, "test-scrollable-container"),
 				"Expecting test-scrollable-container CSS class! (id='sc2')");
@@ -24,6 +26,7 @@ define([
 				"Not expecting d-scrollable CSS class! (id='sc2')");
 
 			w = document.getElementById("mysc1");
+			w.validateRendering();
 			assert.isTrue(domClass.contains(w, "test-scrollable-container"), 
 				"Expecting test-scrollable-container CSS class! (id='mysc1')");
 			assert.isTrue(domClass.contains(w, "d-scrollable"), // class added by the mixin delite/Scrollable
@@ -32,6 +35,7 @@ define([
 
 		"CSS class dependency on scrollDirection" : function () {
 			var w = document.getElementById("sc1");
+			w.validateRendering();
 			assert.isTrue(domClass.contains(w, "test-scrollable-container"),
 				"Expecting test-scrollable-container CSS class! (id='sc1')");
 			assert.isTrue(domClass.contains(w, "d-scrollable"), // class added by the mixin delite/Scrollable
@@ -77,6 +81,7 @@ define([
 
 		"scrollableNode" : function () {
 			var w = document.getElementById("sc1");
+			w.validateRendering();
 			assert.isTrue(w.scrollableNode === w, "Wrong scrollableNode!");
 		},
 

tests/ScrollableTestContainer.js

@@ -1,15 +1,14 @@
 define([
 	"delite/register",
-	"delite/Widget",
 	"delite/Container",
 	"delite/Scrollable"
-], function (register, Widget, Container, Scrollable) {
+], function (register, Container, Scrollable) {
 
 	// The purpose of this module is to provide a concrete widget using
 	// the mixin delite/Scrollable in order to ease the testing of the mixin itself.
 
 	return register("test-scrollable-container", 
-		[HTMLElement, Widget, Container, Scrollable], {
+		[HTMLElement, Container, Scrollable], {
 		baseClass: "test-scrollable-container"
 	});
 });