This reporter logs PHPUnit tests results to AppVeyor tests tab in real time.
composer require --dev weirdan/phpunit-appveyor-reporter
<?xml version="1.0" encoding="UTF-8"?>
<phpunit>
<![CDATA[
.............................................
]]>
<extensions>
<extension class="Weirdan\PhpUnitAppVeyorReporter\Listener"></extension>
</extensions>
</phpunit>