I've been talking a fair amount recently about how I've been writing a lot of unit tests for Fluency, my Confluence editor app, and how much I value having good tests to catch regressions and verify that the editor is actually working correctly. In the case of Fluency, I now have 70+ tests which test various parts of the app, and I've extracted various utils out of the actual...

For some reason lately, I've been having a lot of trouble installing apps and running tests in the iOS simulator on Xcode 10 (non-beta). The error message looks like this...