BPM calibration

[JoschD]

BPM calibration tests are broken after some update of the dependencies

• Which dependency
• Why is it less accurate
• Fix Tests

[fsoubelet]

Is this still the case? Seems to be fine now @JoschD

[JoschD]

I think @Mael-Le-Garrec changed the required accuracy. But I'm not sure if I would count that as "fixed".