[FIX] re-introduce some missing tests

The point is to have visibility on the development of the owl2 features.
This commit reintroduces some tests keeping them skipped in order to fulfill that purpose.

There still are some missing tests though.

tests/qweb/simple_templates.test.ts

@@ -123,3 +123,33 @@ describe("simple templates, mostly static", () => {
     expect(renderToString(template)).toBe(template);
   });
 });
+
+describe("loading templates", () => {
+  test.skip("can initialize qweb with a string", () => {
+/*    const templates = `<?xml version="1.0" encoding="UTF-8"?>
+      <templates id="template" xml:space="preserve">
+        <div t-name="hey">jupiler</div>
+      </templates>`;
+    const qweb = new QWeb({ templates });
+    expect(renderToString(qweb, "hey")).toBe("<div>jupiler</div>");*/
+  });
+
+  test.skip("can load a few templates from a xml string", () => {
+    /*const data = `<?xml version="1.0" encoding="UTF-8"?>
+      <templates id="template" xml:space="preserve">
+
+        <t t-name="items"><li>ok</li><li>foo</li></t>
+
+        <ul t-name="main"><t t-call="items"/></ul>
+      </templates>`;
+    qweb.addTemplates(data);
+    const result = renderToString(qweb, "main");
+    expect(result).toBe("<ul><li>ok</li><li>foo</li></ul>");*/
+  });
+
+  test.skip("does not crash if string does not have templates", () => {
+    /*const data = "";
+    qweb.addTemplates(data);
+    expect(Object.keys(qweb.templates)).toEqual([]);*/
+  });
+});