rector/phpunit.xml

<phpunit
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:noNamespaceSchemaLocation="vendor/phpunit/phpunit/phpunit.xsd"
    bootstrap="tests/bootstrap.php"
    colors="true"
>
    <php>
        <const name="RECTOR_REPOSITORY" value="true"/>
    </php>

    <filter>
		<whitelist addUncoveredFilesFromWhitelist="true" processUncoveredFilesFromWhitelist="true">
			<directory suffix=".php">./packages</directory>
            <directory suffix=".php">./rules</directory>
            <directory suffix=".php">./src</directory>
			<exclude>
				<directory suffix=".php">./packages/*/tests</directory>
				<directory suffix=".php">./rules/*/tests</directory>
                <directory suffix=".php">./packages/rector-generator/templates</directory>
			</exclude>
		</whitelist>
	</filter>

    <testsuites>
        <testsuite name="main">
            <directory>rules/*/tests</directory>
            <directory>packages/*/tests</directory>
            <directory>tests</directory>
            <directory>utils/*/tests</directory>
            <exclude>packages/rector-generator/templates/*</exclude>
            <exclude>packages/rector-generator/tests/RectorGenerator/Fixture/expected</exclude>
            <exclude>rules/nette-tester-to-phpunit/tests/Rector/RenameTesterTestToPHPUnitToTestFileRector/Source/*</exclude>
        </testsuite>
    </testsuites>
</phpunit>