Refresh master with initial release/0.24 snapshot (#332)

* Initial port of release/0.24 source code

* Fix additional headers

* Fix a typo in launch.json

src/vs/platform/actions/test/common/menuService.test.ts

@@ -46,6 +46,14 @@ class MockExtensionService implements IExtensionService {
 	public restartExtensionHost(): void {
 		throw new Error('Method not implemented.');
 	}
+
+	public startExtensionHost(): void {
+		throw new Error('Method not implemented.');
+	}
+
+	public stopExtensionHost(): void {
+		throw new Error('Method not implemented.');
+	}
 }
 
 const extensionService = new MockExtensionService();
@@ -219,11 +227,19 @@ suite('MenuService', function () {
 
 		MenuRegistry.addCommand({ id: 'b', title: 'Implicit' });
 
-		const [first, second] = MenuRegistry.getMenuItems(MenuId.CommandPalette);
-		assert.equal(first.command.id, 'a');
-		assert.equal(first.command.title, 'Explicit');
-
-		assert.equal(second.command.id, 'b');
-		assert.equal(second.command.title, 'Implicit');
+		let foundA = false;
+		let foundB = false;
+		for (const item of MenuRegistry.getMenuItems(MenuId.CommandPalette)) {
+			if (item.command.id === 'a') {
+				assert.equal(item.command.title, 'Explicit');
+				foundA = true;
+			}
+			if (item.command.id === 'b') {
+				assert.equal(item.command.title, 'Implicit');
+				foundB = true;
+			}
+		}
+		assert.equal(foundA, true);
+		assert.equal(foundB, true);
 	});
 });