So we are using Xcode 6.4 to build our project and haven’t really modified our circle.yml file much, but all of a sudden all of tests are failing on CircleCi on every branch. I’ve tested our tests locally and the seem to run fine. I get the multiple errors below that all look the same when it tries to compile.
2015-11-17 04:37:38.486 Interface Builder Cocoa Touch Tool[1943:9010] CoreUI: CUICatalog: couldn't get 'kMGArtworkDeviceIdiom' from MGCopyAnswer got '{ ArtworkDeviceScaleFactor = "-1"; }'
I’m guessing this may have to do with the storyboard or assets? I’ve seen people have this issue on Xcode 7, but not 6.4.
I was since we are using Xcode 6.4 I was able to set the iOS version to 8.4 and now my tests pass. I still do see the multiple errors, but it doesn’t affect the build like it did on iOS 9. I ultimately think it has something to do with scaling images the storyboard, since it has the same number of errors as I have images. I double checked how I was adding them to xcassets but didn’t find anything out of the ordinary.