}

        private Optional<String> className(TestDescriptor descriptor) {
            return descriptor.getSource()
                .filter(ClassSource.class::isInstance)
                .map(ClassSource.class::cast)
                .map(ClassSource::getClassName);
        }
    }

    private static class BackwardsCompatibleLauncherSession implements AutoCloseable {

        boolean javadocContains(String text) {
            javadoc.any { it.contains(text) }
        }
    }

    @Canonical
    static class TestClassSource implements ClassSource {

        final String className
        final String classSource

        @Override
        String getPackageName() {
            'org.test'
        }

        @Override
        String getSimpleClassName() {