speed up test_na_plasmon.py
Speed up test_na_plasmon.py
connected to #741.
The issues listed time as: 39.24s.
Local tests ran with:
- [old] 1, 2, 4, 8 cores in 26.13s, 19.49s, 14.32s, 17.38s
- [new] 1, 2, 4, 8 cores in 7.38s, 5.69s, 5.60s, 8.93s
The tolerance values were changed due to the decreased