Add testing for thread safety of driver

[HamiltonRepoMigrationBot]

Issue by elijahbenizzy Friday Nov 18, 2022 at 21:56 GMT Originally opened as https://github.com/stitchfix/hamilton/issues/234

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Is your feature request related to a problem? Please describe. The driver should be thread-safe, but we want a test to ensure

Describe the solution you'd like A unit/integration test that runs a bunch in parallel with the same drier.

Additional context Add any other context or screenshots about the feature request here. https://hamilton-opensource.slack.com/archives/C03M33QB4M8/p1668807849626519

[skrawcz]

Task here would be to create a test that:

1. creates a driver
2. in separate threads performs executions with different values
3. we validate the results didn't interact/cause issues.