wp/multisite.xml

<phpunit
	bootstrap="includes/bootstrap.php"
		backupGlobals="false"
		colors="true"
        >
    <php>
        <const name="WP_TESTS_MULTISITE" value="1" />
    </php>
    <testsuites>
        <!-- Default test suite to run all tests -->
        <testsuite>
            <directory suffix=".php">tests</directory>
            <exclude>tests/phpunit/tests/actions/closures.php</exclude>
            <exclude>tests/phpunit/tests/image/editor.php</exclude>
            <exclude>tests/phpunit/tests/image/editor_gd.php</exclude>
            <exclude>tests/phpunit/tests/image/editor_imagick.php</exclude>
            <file phpVersion="5.3.0">tests/phpunit/tests/actions/closures.php</file>
            <file phpVersion="5.3.0">tests/phpunit/tests/image/editor.php</file>
            <file phpVersion="5.3.0">tests/phpunit/tests/image/editor_gd.php</file>
            <file phpVersion="5.3.0">tests/phpunit/tests/image/editor_imagick.php</file>
        </testsuite>
    </testsuites>
    <groups>
        <exclude>
            <group>ajax</group>
        </exclude>
    </groups>
</phpunit>