Prior to Feb 28, 2023, the `test_time_analyzer` suit was passing. On Feb 28, 2023, four test failed: <img width="1280" alt="Pasted Graphic 6" src="https://user-images.githubusercontent.com/120387970/222190353-2253324c-9a31-4921-a113-1b6154344b02.png"> On Mar 1, 2023, only one test fails: <img width="1274" alt="Pasted Graphic 5" src="https://user-images.githubusercontent.com/120387970/222190521-13fb9b5c-d38c-409e-aecc-640461ed3cd7.png"> Manually changing local computer time can reproduce the problems.