contextual binding fix

src/compile/render-dom/wrappers/Element/index.ts

@@ -446,7 +446,7 @@ export default class ElementWrapper extends Wrapper {
 
 			group.bindings.forEach(binding => {
 				addToSet(dependencies, binding.dependencies);
-				addToSet(contextual_dependencies, binding.handler.contextual_dependencies);
+				addToSet(contextual_dependencies, binding.contextual_dependencies);
 
 				if (!binding.updateDom) return;
 

test/runtime/samples/globals-not-overwritten-by-bindings/_config.js

@@ -50,12 +50,12 @@ export default {
 		},
 	},
 
-	test(assert, component, target, window) {
+	async test(assert, component, target, window) {
 		const input = document.querySelectorAll('input[type="checkbox"]')[2];
 		const change = new window.Event('change');
 
 		input.checked = true;
-		input.dispatchEvent(change);
+		await input.dispatchEvent(change);
 
 		assert.ok(component.todos.third.done);
 		assert.htmlEqual(target.innerHTML, `