Many unit tests failing on macOS 10.15

[schmidtp1]

Objective of issue: Pass unit tests

Lava version:

• [x] 0.4.0

I'm submitting a ...

• [x] bug report

Current behavior:

• many of the unit tests are failing

Expected behavior:

• unit tests are expected to pass

Steps to reproduce:

• follow installation instruction (MacOS)

Related code:

insert short code snippets here

Other information:

test_log.txt

=========== 94 failed, 155 passed, 13 skipped, 2 warnings in 28.75s ============