Running XCode tests (macOS app) turn on system dark mode unintentionally

I have a bunch of tests for my macOS app. It is XCTest.

Running XCode tests (macOS app) turn on system dark mode unintentionally

I have a bunch of tests for my macOS app. It is XCTest.

Running XCode tests (macOS app) turn on system dark mode unintentionally

I have a bunch of tests for my macOS app. It is XCTest.