Gitea prefers to use relative URLs in code (to make multiple domain work for some users) So it needs to use `toAbsoluteUrl` to generate a full URL when click "Reference in New Issues" And add some comments in the test code
Gitea prefers to use relative URLs in code (to make multiple domain work for some users) So it needs to use `toAbsoluteUrl` to generate a full URL when click "Reference in New Issues" And add some comments in the test code