AV Tester is a user interaction simulator plugin for WordPress that doesn’t require any special setup. Just install as simply as other plugins and start testing.
To run test, all you have to do is define a series of user actions in dashboard that would be simulated on browser. So you can track if there is any missing things or bugs in new releases of your WordPress plugin or theme.
<h3>Contribution</h3>
Here is the public repository of this plugin on github if you are interested to contribute to… 
https://github.com/jayedul/automated-visual-tester

Automated Visual Tester

An automated testing plugin for WordPress CMS that simulates basic user interactions on browser without any crazy setup.

Oleg Butuzov

Debug Bar Rewrite Rules adds information about Rewrite Rules (changed via filters) to a new panel in the Debug Bar. This plugin is an extension for <a href="https://wordpress.org/extend/plugins/debug-bar/" rel="ugc">Debug Bar</a>, but it is also can work in standalone mode (as admin tools page). Note: this plugin not able to track <code>add_rewrite_rule</code> function calls, for a reason this function is untraceable.
Once installed, you will have access to the following information:
<ul>
<li>Number of existing rewrite rules</li>
<li>List of rewrite rules</li>
<li>List of available filter hooks that can affect rewrite rules.</li>
<li>List of filters that affects rewrite rules.</li>
<li>Ability to search in rules with highlighting matches.</li>
<li>Ability to test url and see what rules can be applied to it.</li>
<li>Ability to flush rules directly from debug bar panel/tools page.</li>
</ul>

Debug Bar Rewrite Rules

This plugin makes it so easy to debug and even discover WP rewrite rules. Thanks a lot!!

Amazing plugin!

Debug Bar Rewrite Rules adds a new panel to Debug Bar that displays information about WordPress Rewrites Rules (if used).

Automated Visual Tester vs Debug Bar Rewrite Rules