multisite.xml

<phpunit
	bootstrap="tests/bootstrap.php"
	backupGlobals="false"
	colors="true"
	convertErrorsToExceptions="true"
	convertNoticesToExceptions="true"
	convertWarningsToExceptions="true"
	>
	<php>
		<const name="WP_TESTS_MULTISITE" value="1" />
	</php>
	<testsuites>
		<!-- Default test suite to run all tests -->
		<testsuite>
			<directory prefix="test-" suffix=".php">tests</directory>
		</testsuite>
	</testsuites>

	<filter>
		<blacklist>
			<directory suffix=".php">.</directory>
		</blacklist>
		<whitelist>
			<directory suffix=".php">./lib</directory>
			<file>./plugin.php</file>
		</whitelist>
	</filter>
</phpunit>