Add test page for form submission instead of using Google

Author: WebCoder49

tests/hljs.html

@@ -41,11 +41,11 @@ <h4><a href="prism.html">Test for Prism.js</a></h4>
     <p>This page carries out automated tests for the code-input library to check that both the core components and the plugins work in some ways. It doesn't fully cover every scenario so you should test any code you change by hand, but it's good for quickly checking a wide range of functionality works.</p>
 
     <details id="collapse-results"><summary>Test Results (Click to Open)</summary><pre id="test-results"></pre></details>
-    <form method="GET" action="https://google.com/search" target="_blank">
+    <form method="GET" action="afterform.html" target="_blank">
         <code-input><textarea data-code-input-fallback name="q">console.log("Hello, World!");
 // A second line
 // A third line with &lt;html> tags</textarea></code-input>
-        <input type="submit" value="Search Google For Code"/>
+        <input type="submit" value="Test HTML Form"/>
     </form>
 
     <script>

tests/prism.html

@@ -40,11 +40,11 @@ <h4><a href="hljs.html">Test for highlight.js</a></h4>
     <p>This page carries out automated tests for the code-input library to check that both the core components and the plugins work in some ways. It doesn't fully cover every scenario so you should test any code you change by hand, but it's good for quickly checking a wide range of functionality works.</p>
 
     <details id="collapse-results"><summary>Test Results (Click to Open)</summary><pre id="test-results"></pre></details>
-    <form method="GET" class="match-braces line-numbers" action="https://google.com/search" target="_blank">
+    <form method="GET" class="match-braces line-numbers" action="afterform.html" target="_blank">
         <code-input><textarea data-code-input-fallback name="q">console.log("Hello, World!");
 // A second line
 // A third line with &lt;html> tags</textarea></code-input>
-        <input type="submit" value="Search Google For Code"/>
+        <input type="submit" value="Test HTML Form"/>
     </form>
 
     <script>