> you're testing iris.tests.unit.fileformats.TestField which is itself part of the test suite

I suppose "testing the tests" is not a functional or acceptance requirement, but I did provide this simply because it proved *useful* when refactoring the test routine
 * As an even simpler alternative to your proposal, I realised we might just compare the sorted lists : Sadly that doesn't work because coords don't support order comparison :-(
 * I needed a more comprehensive test, to check if the behaviour was equivalent

We also do already have ```iris.tests.unit.tests.test_IrisTest``` (though it looks rather like I may have written that too)

> Let's just get rid of this file and pretend it never happened...?

**Are you still dead against, @rhattersley ?**