phpunit.xml.dist
<?xml version="1.0" encoding="UTF-8"?>
<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:noNamespaceSchemaLocation="http://schema.phpunit.de/4.1/phpunit.xsd"
backupGlobals="false"
colors="true"
bootstrap="vendor/autoload.php"
failOnRisky="true"
failOnWarning="true"
>
<testsuites>
<testsuite name="Tests">
<directory>./tests</directory>
</testsuite>
</testsuites>
</phpunit>