Use new HTML purge script for test code

test/JobsUnifiedTopCard.purs

@@ -20,6 +20,7 @@ import Type.Proxy (Proxy(..))
 
 type TestCase a = { detached ∷ a DetachedNode , filePath ∷ String , output ∷ Output }
 
+-- Original URL : https://www.linkedin.com/jobs/view/3786945580/
 jobOfferPage_3786945580 ∷ TestCase JobOfferPage
 jobOfferPage_3786945580 = {
   filePath: "test/examples/job_offer_3786945580.html",

test/pruneHtml.js

@@ -1,7 +1,8 @@
 #! /usr/bin/env node
 
 // This can be called with e.g. `test/pruneHtml.js path/to/the/file.html`
-// The same file can then be prettified using `npx prettier --parser html --print-width 250 -w path/to/the/file.html`
+// The output file should not be prettified since it would mess up with line breaks and change 
+// the value of both "textContent" / "innerHTML".
 
 const fs = require("fs");
 const url = require("url");