Update the-calling test to check all the elements of the body

dom/skeleton_test.js

@@ -10,13 +10,13 @@ tests.push(async ({ page, eq }) => {
   eq(isValidTitle, true)
 
   // check the 3 sections have been created with the correct text
-  const sections = await page.$$eval('section', (nodes) =>
+  const elements = await page.$$eval('body', (nodes) =>
-    nodes.map((node) => ({
+    [...nodes[0].children].map((node) => ({
       tag: node.tagName.toLowerCase(),
       text: node.textContent,
     })),
   )
-  eq(expectedSections, sections)
+  eq(expectedSections, elements)
 })
 
 const expectedSections = [