class-finder/phpunit.xml

<phpunit
        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/6.3/phpunit.xsd"
        bootstrap="./test/bootstrap.php"
>

    <!-- "./vendor/bin/phpunit" \-\-testsuite psr4 -->
    <testsuites>
        <testsuite name="all">
            <file>test/app1/src/ClassFinderTest.php</file>
            <file>test/app1/src/ClassmapTest.php</file>
            <file>test/app1/src/PSR4Test.php</file>
            <file>test/app1/src/FilesTest.php</file>
            <directory>test/unit</directory>
        </testsuite>
        <testsuite name="psr4">
            <file>test/app1/src/PSR4Test.php</file>
            <directory>test/unit/PSR4</directory>
        </testsuite>
        <testsuite name="classmap">
            <file>test/app1/src/ClassmapTest.php</file>
            <directory>test/unit/Classmap</directory>
        </testsuite>
        <testsuite name="files">
            <file>test/app1/src/FilesTest.php</file>
            <directory>test/unit/Files</directory>
        </testsuite>
        <testsuite name="noAutoload">
            <file>test/app2/PSR4NoAutoloadTest.php</file>
            <file>test/app2/ClassmapNoAutoloadTest.php</file>
        </testsuite>
    </testsuites>
</phpunit>