travis-ci.xml

<?xml version="1.0" encoding="UTF-8"?>
<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        xsi:noNamespaceSchemaLocation="http://phpunit.de/phpunit.xsd"
        backupGlobals="false"
        bootstrap="vendor/autoload.php"
        colors="true"
        verbose="true">

    <testsuite name="ACRCloud">
        <directory suffix="Test.php">tests</directory>
    </testsuite>

    <php>
        <env name="APIKEY" value="apikey"/>
        <env name="APISECRET" value="apisecret"/>
    </php>

    <logging>
        <log type="coverage-text" target="php://stdout"/>
    </logging>

    <filter>
        <whitelist processUncoveredFilesFromWhitelist="true">
            <directory suffix=".php">src</directory>
        </whitelist>
    </filter>
</phpunit>