phpunit.xml

<?xml version="1.0" encoding="UTF-8" ?>

<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/5.7/phpunit.xsd"
         bootstrap="tests/bootstrap.php"
         colors="true" verbose="false" processIsolation="false"
         timeoutForSmallTests="5" timeoutForMediumTests="30" timeoutForLargeTests="60"
         convertErrorsToExceptions="true" convertNoticesToExceptions="true" convertWarningsToExceptions="true"
         failOnWarning="true" failOnRisky="false" stopOnError="false" stopOnFailure="false" stopOnSkipped="false" stopOnRisky="false"
         beStrictAboutCoversAnnotation="true" beStrictAboutTestsThatDoNotTestAnything="true" beStrictAboutResourceUsageDuringSmallTests="true" beStrictAboutOutputDuringTests="true" beStrictAboutTodoAnnotatedTests="true">

    <!-- Note: To change php.ini settings, use bootstrap.php instead of `<php>` tags. -->

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

        <testsuite name="environment">
            <file>tests/EnvironmentTest.php</file>
        </testsuite>

        <testsuite name="requirements">
            <file>tests/RequirementsTest.php</file>
        </testsuite>

        <testsuite name="unit">
            <directory suffix="Test.php">tests/unit</directory>
        </testsuite>
    </testsuites>
</phpunit>