Assert the three-repository walk takes each first-tier module from its key at its commit (issue 1931)

cmd/mesh-controller/batches_integration_test.go

@@ -135,11 +135,10 @@ func TestThreeRepositoriesInOneWindowAreOneWalk(t *testing.T) {
 			t.Fatalf("the walk does not build %s: %v", r, w.Modules)
 		}
 	}
-	// Each module's ask is recorded at its own repository's commit.
-	for _, r := range []string{"one", "two", "three"} {
-		q, found, err := open.inventory.BuildRequestByID(t.Context(), w.Modules[r].Build)
-		if err != nil || !found || q.Commit != "c-"+r {
-			t.Fatalf("%s's build was not recorded at its own commit: %+v %v %v", r, q, found, err)
+	// Each module of the first tier is taken from its key at its own repository's commit (the cut asks no build).
+	for _, r := range w.Tiers[w.Tier] {
+		if s := w.Modules[r]; s == nil || !s.Key || s.State != "asked" || s.KeyAt != "c-"+r {
+			t.Fatalf("%s was not taken from its key at its own commit: %+v", r, s)
 		}
 	}
 }