Add mainly disfunctional test

Due to utter negligence test results are currently:

221 tests, 186 failures

test/support/fixtures/articles_fixtures.ex

@@ -4,6 +4,8 @@ defmodule Outlook.ArticlesFixtures do
   entities via the `Outlook.Articles` context.
   """
 
+  # TODO: make this work
+
   @doc """
   Generate a article.
   """
@@ -11,11 +13,17 @@ defmodule Outlook.ArticlesFixtures do
     {:ok, article} =
       attrs
       |> Enum.into(%{
-        content: "some content",
+        content: [%Outlook.InternalTree.InternalNode{name: "p", attributes: %{}, type: :element, nid: "54e8cedb-6459-4605-8301-367758675bb8", content: [
+                  %Outlook.InternalTree.TranslationUnit{status: :untranslated, nid: "c0fcdf61-ae2d-482e-81b4-9b6e3baacd8b",
+                  content: "A sentence with many letters <a href=\"dingsda.com\">and many, many <b>words. </b></a>"},
+                  %Outlook.InternalTree.TranslationUnit{status: :untranslated, nid: "eac12d97-623d-4237-9f33-666298c7f494",
+                  content: "<a href=\"dingsda.com\"><b>A</b> sentence</a> with many letters and many, many words. "}],
+                  eph: %{sibling_with: :block}}],
         date: ~U[2022-12-25 16:16:00Z],
-        language: "some language",
+        language: "EN",
         title: "some title",
-        url: "some url"
+        url: "some url",
+        author_id: 1
       })
       |> Outlook.Articles.create_article()