test: Add test for html injection

Signed-off-by: Marcel Klehr <mklehr@gmx.net>

src/test/test.js

@@ -1105,7 +1105,7 @@ describe('Floccus', function() {
               parentId: localRoot
             })
             const barFolder = await browser.bookmarks.create({
-              title: "bar=?*'Ä_:-^;",
+              title: "bar=?*'Ä_:-^;<script>",
               parentId: fooFolder.id
             })
             const bookmark = await browser.bookmarks.create({