How to reproduce:
1. Open the attached project "TestRunner"
2. Open the Build Profiles and keep it opened
3. Open the Test Runner (Window -> General -> Test Runner) -> Player
4. Click "Run All" and observe the results
Expected results: Tests are executed
Actual results: Test Runner fails to launch the tests
Reproducible with: 6000.5.0a1, 6000.5.0a3
Not reproducible with: 6000.4.0a3. 6000.3.0b2
Can't test with: 6000.0.64f1, 6000.2.2f1 (No Player tests)
Reproducible on: macOS Tahoe 26 (M1)
Not reproducible on: No other environment tested
First lines or errors:
- InvalidOperationException: The operation is not possible when moved past all properties (Next returned false)
UnityEditor.SerializedProperty.Verify (UnityEditor.SerializedProperty+VerifyFlags verifyFlags) (at /Users/bokken/build/output/unity/unity/Editor/Mono/SerializedProperty.bindings.cs:532)
- Player build failed
UnityEditor.EditorApplication:Internal_CallUpdateFunctions () (at /Users/bokken/build/output/unity/unity/Editor/Mono/EditorApplication.cs:403)
-TestLaunchFailedException: Player build failed
UnityEditor.TestTools.TestRunner.PlayerLauncher.Run () (at ./Library/PackageCache/com.unity.test-framework@ba673b29c67e/UnityEditor.TestRunner/TestLaunchers/PlayerLauncher.cs:88)