How to restore files from previous commit?
Solution 1:
It looks like 525afffc86... is the commit where you deleted the files.
If such is the case, the files do not exist in that commit, which is why you get the did not match any file(s) known to git error, they exist in the parent commit :
# <commit-ish>^ points to the parent of target commit :
git checkout 525afffc^ -- "test-runner/src/v2/ ... /INT_COMMON.json"