Reproduction steps:
1. Create and open a new project
2. Open the Test Runner window (Window > General > Test Runner)
3. In the Test Runner window, select Create EditMode/PlayMode Test Assembly Folder and enter any name
Expected results: New Test Assembly Folder created
Actual results: FileNotFoundException is thrown in the Console
Reproducible with: 1.4.0, 2.0.1-pre.12 (2023.3.0a9, 2023.3.0a16)
Not reproducible with: 1.4.0, 2.0.1-pre.12 (2021.3.33f1, 2022.3.14f1, 2023.2.1f1, 2023.3.0a8)
Reproducible on: Windows 11
Not reproducible on: No other environment tested
Note: The missing Script Template file is in the Editor directory, but it has the wrong numbers at the start of its name