VS 2022 Test Explorer does not recognize tests with Korean names in UTF-8 source files.

**Describe the bug**

my answer > VS 2022 Test Explorer does not recognize tests with Korean names in UTF-8 source files.

**Steps to reproduce the bug**

my answer >
Please go to below the web page. There is a video and example code.
Microsoft said that this problem occurred from google test.
https://developercommunity.visualstudio.com/t/VS-2022-Test-Explorer-does-not-recognize/10073793

**Does the bug persist in the most recent commit?**

my answer >
yes.

**What operating system and version are you using?**

my answer >
Windows 10

**What compiler and version are you using?**

my answer >
msvc in VS2022

Start with the linked Microsoft Developer Community report, including its video and example code, and reproduce the problem on Windows 10 with MSVC in VS 2022. Investigate how GoogleTest test discovery handles Korean names in UTF-8 source files; done means the affected tests are recognized or the limitation is clearly documented.

Written by the indexing model from the issue text.