rector/phpunit.xml

<phpunit
    bootstrap="tests/bootstrap.php"
    colors="true"
    verbose="true"
>
    <testsuites>
        <!-- only contrib open-source project Rectors -->
        <testsuite name="contrib-rectors">
            <directory>tests/Rector/Contrib</directory>
        </testsuite>
        <!-- only general configurable Rectors -->
        <testsuite name="general-rectors">
            <directory>tests/Rector/Dynamic</directory>
            <directory>tests/Rector/MagicDisclosure</directory>
        </testsuite>
        <!-- and the rest -->
        <testsuite name="main">
            <directory>packages/*/tests</directory>
            <directory>tests</directory>
            <exclude>tests/Rector/Dynamic/</exclude>
            <exclude>tests/Rector/MagicDisclosure/</exclude>
            <exclude>tests/Rector/Contrib/</exclude>
        </testsuite>
    </testsuites>

    <!-- source to check coverage for -->
    <filter>
        <whitelist addUncoveredFilesFromWhitelist="false">
            <directory suffix="*.php">packages/*/src</directory>
            <directory>src</directory>
            <exclude>
                <directory>../vendor</directory>
                <directory>../tests/**/*Source/**</directory>
            </exclude>
        </whitelist>
    </filter>
</phpunit>