We should use the `TMP_DIR` variable when reading / writing the config in [test_bench_config.py](https://github.com/CABLE-LSM/benchcab/blob/master/tests/test_bench_config.py) in case the test fails and files are not cleaned up.
We should use the
TMP_DIRvariable when reading / writing the config in test_bench_config.py in case the test fails and files are not cleaned up.