Yeah this is strange, not sure why my system is not matching yours.

$ snap list ppa-dev-tools
Name           Version               Rev  Tracking  Publisher  Notes
ppa-dev-tools  v0.5.0+git43.074f622  x1   -         -          -
$ /snap/bin/ppa-dev-tools.ppa tests https://launchpad.net/\~mitchdz/+archive/ubuntu/rabbitmq-server-mre-2204/
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* Triggers:
  - Source rabbitmq-server/3.9.27-0ubuntu0.1~jammy8: Published
    + Trigger basic @amd64♻️    Trigger all-proposed @amd64💍
    + Trigger basic @arm64♻️    Trigger all-proposed @arm64💍
    + Trigger basic @armhf♻️    Trigger all-proposed @armhf💍
    + Trigger basic @i386♻️     Trigger all-proposed @i386💍
    + Trigger basic @ppc64el♻️  Trigger all-proposed @ppc64el💍
    + Trigger basic @s390x♻️    Trigger all-proposed @s390x💍
  - Source rabbitmq-server/3.8.3-0ubuntu0.1~focal5: Published
    + Trigger basic @amd64♻️    Trigger all-proposed @amd64💍
    + Trigger basic @arm64♻️    Trigger all-proposed @arm64💍
    + Trigger basic @armhf♻️    Trigger all-proposed @armhf💍
    + Trigger basic @i386♻️     Trigger all-proposed @i386💍
    + Trigger basic @ppc64el♻️  Trigger all-proposed @ppc64el💍
    + Trigger basic @s390x♻️    Trigger all-proposed @s390x💍
* Results:
  -
    + ✅ rabbitmq-server on focal for amd64   @ 16.05.24 01:43:46  Log️ 🗒️
    + ✅ rabbitmq-server on focal for arm64   @ 12.05.24 03:07:20  Log️ 🗒️
    + ✅ rabbitmq-server on focal for armhf   @ 11.05.24 08:01:13  Log️ 🗒️
  - rabbitmq-server/3.8.3-0ubuntu0.1~focal5
    + ✅ rabbitmq-server on focal for amd64   @ 21.05.24 14:50:15  Log️ 🗒️
    + ✅ rabbitmq-server on focal for arm64   @ 21.05.24 14:50:48  Log️ 🗒️
    + ✅ rabbitmq-server on focal for armhf   @ 21.05.24 14:53:34  Log️ 🗒️
    + ✅ rabbitmq-server on focal for i386    @ 11.05.24 13:35:11  Log️ 🗒️
    + ✅ rabbitmq-server on focal for ppc64el @ 14.05.24 23:10:14  Log️ 🗒️
    + ✅ rabbitmq-server on focal for s390x   @ 14.05.24 03:20:42  Log️ 🗒️
  - rabbitmq-server/3.9.27-0ubuntu0.1~jammy4
    + ✅ rabbitmq-server on jammy for amd64   @ 06.05.24 23:39:20  Log️ 🗒️
    + ✅ rabbitmq-server on jammy for arm64   @ 06.05.24 23:21:35  Log️ 🗒️
    + ✅ rabbitmq-server on jammy for armhf   @ 06.05.24 23:22:57  Log️ 🗒️
    + ✅ rabbitmq-server on jammy for i386    @ 06.05.24 23:39:34  Log️ 🗒️
    + ✅ rabbitmq-server on jammy for ppc64el @ 06.05.24 23:23:10  Log️ 🗒️
    + ✅ rabbitmq-server on jammy for s390x   @ 06.05.24 23:23:28  Log️ 🗒️
  -
    + ✅ rabbitmq-server on jammy for amd64   @ 17.05.24 10:35:04  Log️ 🗒️
    + ✅ rabbitmq-server on jammy for armhf   @ 13.05.24 12:50:51  Log️ 🗒️
  - rabbitmq-server/3.9.27-0ubuntu0.1~jammy8
    + ❌ rabbitmq-server on jammy for amd64   @ 17.05.24 20:50:40  Log️ 🗒️
      • smoke-test                PASS   🟩
      • hello-world               PASS   🟩
      • work-queue                PASS   🟩
      • publish-subscribe         PASS   🟩
      • rpc                       FAIL   🟥
    + ✅ rabbitmq-server on jammy for arm64   @ 13.05.24 19:10:51  Log️ 🗒️
    + ✅ rabbitmq-server on jammy for armhf   @ 16.05.24 14:21:04  Log️ 🗒️
    + ✅ rabbitmq-server on jammy for i386    @ 13.05.24 19:16:38  Log️ 🗒️
    + ❌ rabbitmq-server on jammy for ppc64el @ 16.05.24 01:29:45  Log️ 🗒️
      • smoke-test                PASS   🟩
      • hello-world               PASS   🟩
      • work-queue                PASS   🟩
      • publish-subscribe         PASS   🟩
      • rpc                       FAIL   🟥
    + ✅ rabbitmq-server on jammy for ppc64el @ 16.05.24 13:18:08  Log️ 🗒️
    + ✅ rabbitmq-server on jammy for s390x   @ 15.05.24 01:04:39  Log️ 🗒️
* Running: (none)
* Waiting: (none)