Removed "experimental" directory from the list of test directories because  - the experimental tests are likely to fail/succeed unexpectedly and thus result in build failures on Jenkins  - the new Silicon runner makes it possible to run tests without having to use "test-only"
Removed "experimental" directory from the list of test directories because
 - the experimental tests are likely to fail/succeed unexpectedly and thus result in build failures on Jenkins
 - the new Silicon runner makes it possible to run tests without having to use "test-only"

sccblom/vercors,sccblom/vercors,sccblom/vercors,sccblom/vercors,sccblom/vercors