phpunit.xml

<phpunit
    bootstrap="tests/bootstrap.php"
    backupGlobals="false"
    colors="true"
    convertErrorsToExceptions="true"
    convertNoticesToExceptions="true"
    convertWarningsToExceptions="true"
    >
    <testsuites>
        <testsuite>
            <directory prefix="test-" suffix=".php">./tests/</directory>
        </testsuite>
    </testsuites>

    <filter>
        <whitelist>
            <directory prefix="./inc/">.</directory>
        </whitelist>
        <blacklist>
            <directory>tests</directory>
            <directory>vendor</directory>
        </blacklist>
    </filter>

    <logging>
        <log type="coverage-html" target="tests/coverage" title="PHPUnit"
            charset="UTF-8" yui="true" highlight="true"
            lowUpperBound="50" highLowerBound="90"/>
    </logging>

</phpunit>