Deprecation Notice for APITest in Composer v1.10

[eddturtle]

Updated composer version and it's now outputting the message below when building the autoload. Not serious as it still works fine, just wanted to mention in case.

Composer version 1.10.0 2020-03-10 14:08:05

Deprecation Notice: Class garethp\ews\Test\Calendar\APITest 
located in ./vendor/garethp/php-ews/tests/src/Calendar/CalendarTest.php 
does not comply with psr-4 autoloading standard. 
It will not autoload anymore in Composer v2.0. 
in phar:///usr/local/bin/composer/src/Composer/Autoload/ClassMapGenerator.php:185