Issue 2148 - Rewrite the testpages test suite

pages/exceptions/element-hiding.tmpl

 title = Element Hiding - Exception
 template = testcase
-testcase_title = Element Hiding - Exception
-testcase_intro = Check if element hiding exception functionality is working as expected.
 
 {% set testcase_moreinfo = [
   ("Exception Rules", "https://adblockplus.org/filters#elemhide_exceptions"),
 ] %}
 
 <section class="site-panel">
   <h2>Element Hiding Exception</h2>
   <p>Check that usage of the of element hiding exceptions work as expected.</p>
   <p>With the filter(s) displayed below each test case added to ABP (or with the testcase subscription installed and active), the green element in the test case panel should not be hidden.</p>
 </section>
 
 <section class="site-panel">
   <h2>Test case</h2>
   <div class="testcase-container">
     <div class="testcase-contentaside stripes-green testcase-ehe">Target</div>
     <div class="testcase-content stripes-grey">Content</div>
   </div>
   <h3>Filters</h3>
   <pre>testpages.adblockplus.org##.testcase-ehe</pre>
   <pre>testpages.adblockplus.org#@#.testcase-ehe</pre>
 </section>