diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index f9f0be1..4d94f65 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -18,7 +18,9 @@ jobs:
           - prompty-dumpty
           - copilot-persistence
           - gitlab-ci-local
-          - copilot-metrics-lgtm
+          # copilot-metrics-lgtm is intentionally excluded here: it requires Docker
+          # (docker-in-docker) which the autogenerated test image does not provide.
+          # It is exercised in the test-scenarios job instead.
         baseImage:
           - debian:latest
           - ubuntu:latest