add commit calls to avoid hanging on drop_all
add commit calls to avoid hanging on drop_all

freedomgames/Planet-Lab,andymcguinness/Planet-Lab,nicktimko/Planet-Lab,freedomgames/Planet-Lab,andymcguinness/Planet-Lab,nicktimko/Planet-Lab,nicktimko/Planet-Lab,nicktimko/Planet-Lab,andymcguinness/Planet-Lab,freedomgames/Planet-Lab