`test_add` for nox/jax not working.

[shanecelis]

This test is currently failing. I marked it ignore so it didn't block PR #91.

cargo +nightly test --release -- -Z unstable-options --report-time
...
failures:

---- jax::tests::test_add stdout ----

thread 'jax::tests::test_add' (3365331) panicked at libs/nox/src/jax.rs:56:42:
called `Result::unwrap()` on an `Err` value: PyErr { type: <class 'ModuleNotFoundError'>, value: ModuleNotFoundError("No module named 'math'"), traceback: None }
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace


failures:
    jax::tests::test_add

test result: FAILED. 64 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s

error: test failed, to rerun pass `-p nox --lib`