There should be tests for `iris.util.regular_points()`

[trexfeathers]

📰 Custom Issue

iris/lib/iris/util.py

Line 1397 in e892fd1

def regular_points(zeroth, step, count):

This already has test coverage via tests against caller operations, but it's public API so should have its own tests. No idea how this got missed, perhaps we had a different team culture in the past!