Fix test workspace devfile address for PR based on fork (#15311)
Fix test workspace devfile address for PR based on fork (#15311)

Signed-off-by: Dmytro Nochevnov <0d370718d8e74f9296d812c24009e69e61970a47@redhat.com>
codenvy/che,codenvy/che,codenvy/che,codenvy/che