Fix regression tests for arclengths
Created by: scarlehoff
They were failing due to changes in the implementation of Simpson’s rule by scipy https://scipy.github.io/devdocs/release/1.11.0-notes.html#scipy-integrate-improvements
Created by: scarlehoff
They were failing due to changes in the implementation of Simpson’s rule by scipy https://scipy.github.io/devdocs/release/1.11.0-notes.html#scipy-integrate-improvements