Start of automatic tests, but automatic testing is broken

api/js/etemplate/Et2Template/test/Load.test.ts

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+import {assert, elementUpdated, fixture, html} from "@open-wc/testing";
+import * as sinon from "sinon";
+import {Et2Template} from "../Et2Template";
+
+/**
+ * Test file for Template webComponent
+ *
+ * In here we test just the simple, basic widget stuff.
+ */
+// Stub global egw
+// @ts-ignore
+window.egw = {
+	image: () => "data:image/svg+xml;base64,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",
+	lang: i => i + "*",
+	tooltipUnbind: () => { },
+	webserverUrl: ""
+};
+let element;
+
+async function before()
+{
+
+	// Create an element to test with, and wait until it's ready
+	// @ts-ignore
+	element = await fixture(html`
+        <et2-template>
+        </et2-template>
+	`);
+	// Stub egw()
+	sinon.stub(element, "egw").returns(window.egw);
+	await elementUpdated(element);
+	return element;
+}
+
+describe("Template widget basics", () =>
+{
+	// Setup run before each test
+	beforeEach(before);
+	// Make sure it works
+	it('is defined', () =>
+	{
+		assert.instanceOf(element, Et2Template);
+	});
+	it("starts empty", () =>
+	{
+		assert.notExists(element.querySelectorAll("*"), "Not-loaded template has content.  It should be empty.");
+	});
+	it("shows loader", () =>
+	{
+		assert.exists(element.shadowRoot.querySelector(".template--loading"), "Could not find load indicator");
+	});
+});
+describe("Loading", () =>
+{
+	it("loads from file", async() =>
+	{
+		// Stub the url to point to the fixture
+		sinon.stub(element, "getUrl").returns("./fixtures/simple.xml");
+		element.template = "simple.empty";
+		await element.updateComplete;
+		assert.isTrue(element.__isLoading);
+	})
+	it("loads from cache", () =>
+	{
+	});
+});

api/js/etemplate/Et2Template/test/fixtures/simple.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE overlay PUBLIC "-//EGroupware GmbH//eTemplate 2.0//EN" "https://www.egroupware.org/etemplate2.0.dtd">
+<!-- This template is used in automated testing -->
+<overlay>
+    <template id="api.simple.empty">
+    </template>
+</overlay>