phpunit.xml

<phpunit bootstrap="./vendor/autoload.php">
    <testsuites>
        <testsuite name="Main">
            <file phpVersion="5.4.0" phpVersionOperator=">=">./tests/ClosureTest.php</file>
        </testsuite>
        <testsuite name="Serialize">
            <file phpVersion="5.4.0" phpVersionOperator=">=">./tests/SerializeTest.php</file>
        </testsuite>
        <testsuite name="Recursive">
            <file phpVersion="7.1.0" phpVersionOperator="&lt;">./tests/RecursiveArrayTest.php</file>
        </testsuite>
        <testsuite name="Signed">
            <file phpVersion="5.4.0" phpVersionOperator=">=">./tests/SignedClosureTest.php</file>
        </testsuite>
        <testsuite name="ReflectionClosure">
            <file phpVersion="5.4.0" phpVersionOperator=">=">./tests/ReflectionClosureTest.php</file>
        </testsuite>
        <testsuite name="ReflectionClosure2">
            <file phpVersion="7.0.0" phpVersionOperator=">=">./tests/ReflectionClosure2Test.php</file>
        </testsuite>
        <testsuite name="ReflectionClosure3">
            <file phpVersion="7.1.0" phpVersionOperator=">=">./tests/ReflectionClosure3Test.php</file>
        </testsuite>
        <testsuite name="ReflectionClosure4">
            <file phpVersion="7.2.0" phpVersionOperator=">=">./tests/ReflectionClosure4Test.php</file>
        </testsuite>
    </testsuites>
</phpunit>