Steps to reproduce:
Visit https://test.wikipedia.org/wiki/Main_Page and scroll to the bottom, or visit https://test.wikipedia.org/wiki/Main_Page?action=credits
Click, eg, imported>MartinBot
Expected result:
Link is valid, or no link is given
Actual result:
Link is invalid: https://test.wikipedia.org/wiki/Special:Contributions/imported>MartinBot - > is invalid it titles