Add --markdown-output and unclassified failures count to scripts/bors-stats.rb

[Anviking]

• Count unclassified failures in scripts/bors-stats.rb
• Add --markdown-output option to scripts/bors-stats.rb

Comments

$ ./scripts/bors-stats.rb --markdown-output --after "1 Jan" --annotate "Timed out."
[...]
10 Feb 13:21 hydra https://github.com/input-output-hk/cardano-wallet/pull/3110#issuecomment-1034915493
https://hydra.iohk.io/build/12719899
Build failed:

ci/hydra-build:required

succeeded: 15 failed: 51 (77%) total: 66
Excluding 22 #expected or #duplicate failures
Unclassified: 8 (16% of all failures)

Broken down by tags/issues:
25 times (38%) hydra
19 times (29%) buildkite
9 times (14%) [#3120](https://github.com/input-output-hk/cardano-wallet/issues/3120) Flaky test: Various arcane `stack` problems in buildkite (pantry, libffi, ...)
6 times (9%) [#3057](https://github.com/input-output-hk/cardano-wallet/issues/3057) Flaky test: `StakeKeyAlreadyRegisteredDELEG` from `Plutus scenarios, withdrawal`
5 times (8%) [#3124](https://github.com/input-output-hk/cardano-wallet/issues/3124) Flaky test: ValidationFailedV1 NotEnoughSpace from `Plutus scenarios, currency`
5 times (8%) [#3123](https://github.com/input-output-hk/cardano-wallet/issues/3123) Flaky test: Lots of integration tests errors due to cluster or setup
5 times (8%) Timed out.
4 times (6%) [#3121](https://github.com/input-output-hk/cardano-wallet/issues/3121) Flaky test: `gai_strerror not supported: 11002` from `API Server, handles bad host name`
3 times (5%) [#3122](https://github.com/input-output-hk/cardano-wallet/issues/3122) Flaky test: `Plutus scenarios`, `missing_witnesses_in_transaction`
3 times (5%) [#2472](https://github.com/input-output-hk/cardano-wallet/issues/2472) Unit tests sometimes time out.
3 times (5%) [#2855](https://github.com/input-output-hk/cardano-wallet/issues/2855) Flaky test: Various CLI tests failing due to high load

Issue Number

None.

[rvl]

Nice