Data created during tests isn't deleted after tests finish

[evansiroky]

Observed behavior

A lot of data is created during tests that is not deleted after the tests are finished or have encountered an error.

Expected behavior

The data should be deleted after the tests complete or encounter an error.

Steps to reproduce the problem

Run the test suite.

Any special notes on configuration used

N/A

Version of datatools-server and datatools-ui if applicable (exact commit hash or branch name)

dev