To test WordPress trunk with a test inst…

To test WordPress trunktrunk A directory in Subversion containing the latest development code in preparation for the next major release cycle. If you are running "trunk", then you are on the latest revision. with a test install of WordPress MU:

-Download trunk from the link at the bottom of https://core.trac.wordpress.org/browser/trunk
-make a backup copy of your wp-config.php and .htaccess
-do a manual upgrade of the install replacing the WordPress (MU) code to the files extracted from the zip
-the only original files that should remain from your WordPress MU install are those in wp-content, wp-config.php & .htaccess

#merge, #testing