Cleanup Tests

[mdemoret-nv]

Currently, many of the tests are disabled, skipped or commented out. These tests should be enabled, updated to pass, or removed as a last resort.

Some examples:

• [x] https://github.com/nv-morpheus/SRF/blob/main/tests/test_executor.cpp#L399
• [x] https://github.com/nv-morpheus/SRF/blob/main/tests/test_pipeline.cpp#L127
• [x] https://github.com/nv-morpheus/SRF/blob/main/tests/test_runnable.cpp#L291
• [ ] https://github.com/nv-morpheus/SRF/blob/main/python/tests/test_pipeline.py

[ryanolson]

The above MR closes the 3 cpp issues.