Migrate to Swift Testing from XCTest

[philippzagar]

Problem

With Swift Testing being added to the Swift 6 toolchain and the published images & Xcode already containing it, we should migrate all of our packages towards the modern Swift Testing framework.

Solution

All unit tests and should migrate from XCTest to the new Swift Testing framework included in the Swift 6 toolchain. We can follow the documentation article to migrating a test from XCTest.

Contributes working on this issue should first watch the swift-testing WWDC videos:

• Meet Swift Testing
• Go further with Swift Testing

We should take advantage of test suites, parameterized tests, and parallel testing and optimizing our test suites.

Related Issues

• Migrate to Swift Testing from XCTest Spezi#119
• Migrate to Swift Testing from XCTest SpeziTemplateApplication#99
• Migrate to Swift Testing from XCTest SpeziLLM#95
• Migrate to Swift Testing from XCTest SpeziStorage#31
• Migrate to Swift Testing from XCTest SpeziBluetooth#56
• Migrate to Swift Testing from XCTest SpeziDevices#19
• Migrate to Swift Testing from XCTest SpeziViews#55
• Migrate to Swift Testing from XCTest SpeziHealthKit#31
• Migrate to Swift Testing from XCTest SpeziFHIR#29
• Migrate to Swift Testing from XCTest SpeziChat#25
• Migrate to Swift Testing from XCTest SpeziSpeech#12
• Migrate to Swift Testing from XCTest SpeziOnboarding#65
• Migrate to Swift Testing from XCTest SpeziAccount#84
• Migrate to Swift Testing from XCTest SpeziStudyApplication#17
• Migrate to Swift Testing from XCTest SpeziFoundation#20
• Migrate to Swift Testing from XCTest SpeziMedication#15
• Migrate to Swift Testing from XCTest SpeziNotifications#8
• Migrate to Swift Testing from XCTest SpeziScheduler#52
• Migrate to Swift Testing from XCTest SpeziFirebase#50
• Migrate to Swift Testing from XCTest SpeziNetworking#14
• Migrate to Swift Testing from XCTest SpeziContact#32
• Migrate to Swift Testing from XCTest SpeziQuestionnaire#30
• Migrate to Swift Testing from XCTest SpeziFileFormats#12
• Migrate to Swift Testing from XCTest SpeziLicense#5
• Migrate to Swift Testing from XCTest SpeziAccessGuard#23
• Migrate to Swift Testing from XCTest SpeziMockWebService#17

Additional context

Feel free to use comments under the associated issues to discuss the best way to approach updating to swift-testing for the Spezi modules.

Code of Conduct

• I agree to follow this project's Code of Conduct and Contributing Guidelines