Check an image's Dockerfile place instead of refusing the image kind (ADR 0487 clause 13)

modules/mailu/cmd/automx/manifest_test.go

@@ -107,8 +107,9 @@ func TestAutomxIsAGoBundleForAlpineMountedAtOptMeshAndRestartedWithIt(t *testing
 	}
 }
 
-// Clause 3: an upstream artifact pinned by digest, the one route-proxy's trust artifact runs; never an image
-// built from a Dockerfile (clause 11), and no Dockerfile or base to build one on.
+// Clause 3: an upstream artifact pinned by digest, the one route-proxy's trust artifact runs. automx's own design
+// builds no image from a Dockerfile and has no Dockerfile or base to build one on; the catalogue as such does not
+// refuse the image kind (novox/hq ADR 0487 clause 13).
 func TestAutomxRunsTheMirroredAlpineImageAndBuildsNoImage(t *testing.T) {
 	m := readManifest(t)
 	c := m.resource("automx")
@@ -121,7 +122,7 @@ func TestAutomxRunsTheMirroredAlpineImageAndBuildsNoImage(t *testing.T) {
 	}
 	for _, a := range m.Build["artifacts"].([]any) {
 		if a.(map[string]any)["kind"] == "image" {
-			t.Errorf("artifact %v is an image built from a Dockerfile (ADR 0452)", a)
+			t.Errorf("artifact %v is an image built from a Dockerfile, which automx's design (ADR 0480) does not use", a)
 		}
 	}
 	if _, has := m.Build["on"]; has {