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/9.6/phpunit.xsd"
    bootstrap="tests/bootstrap.php"
    colors="true"
    verbose="false"
>
    <testsuites>
        <testsuite name="unit">
            <directory suffix=".php">./tests/unit</directory>
        </testsuite>
        <testsuite name="integration">
            <directory suffix=".php">./tests/integration</directory>
            <directory suffix=".php">./tests/ajax</directory>
            <directory suffix=".php">./tests/contracts</directory>
        </testsuite>
    </testsuites>
    <php>
        <env name="WP_TESTS_DIR" value="/tmp/wordpress-tests-lib" force="true"/>
        <env name="WP_CORE_DIR" value="/tmp/wordpress/" force="true"/>
    </php>
</phpunit>