Add reason for failed match to RaisesGroup#3145

Draft

jakkdl wants to merge 10 commits intopython-trio:mainfrom jakkdl:raisesgroup_fail_reason

+668-76

Commits on Nov 27, 2024

RaisesGroup will now raise an assertionerror with an informative message when it fails to match
jakkdl
committed

Commits on Dec 3, 2024

simplify & remove false positive for suggestion to use flatten_subgroups
jakkdl
committed

Commits on Dec 9, 2024

overhaul message in the complicated case. Avoid printing check repr in some cases. Simplify message in trivial cases.
jakkdl
committed
Merge remote-tracking branch 'origin/main' into raisesgroup_fail_reason
jakkdl
committed

Commits on Dec 18, 2024

Merge branch 'main' into raisesgroup_fail_reason
jakkdl
authored