Add tests for ingest

[shreddd]

Add tests for the ingestor class BertronMongoDBIngestor in ingest_data.py

Make sure it

• Passes for set of valid objects
• Fails for invalid objects

[eecavanna]

FYI: @sierra-moxon

[shreddd]

Note that the test objects may need to be updated for new schema

[shreddd]

see PR #101

[eecavanna]

Now that ber-data/bertron-schema#63 and ber-data/bertron-schema#65 have been merged in the schema repo, the sample data files there can be loaded into downstream projects (like this). Those could be incorporated into this project's test suite.

[shreddd]

closed by #101 #105