Robust open pickletrajectory with bad constraints.
Open more robustly; don't be picky about which error to except. (I was hitting AssertionError, but only AttributeError was allowed; no need to specify which.)
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Open more robustly; don't be picky about which error to except. (I was hitting AssertionError, but only AttributeError was allowed; no need to specify which.)