Let the view's manifest test read the emits key the delivered event adds

modules/mesh-delivery-view/manifest_test.go

@@ -50,6 +50,7 @@ type manifest struct {
 	Reads        []string          `json:"reads"`
 	Uses         []string          `json:"uses"`
 	Tools        []string          `json:"tools"`
+	Emits        []string          `json:"emits"`
 	OwnSecrets   map[string]string `json:"own-secrets"`
 	SecretsOwner string            `json:"secrets-owner"`
 	Resources    []map[string]any  `json:"resources"`
@@ -95,14 +96,8 @@ func TestManifestIsTakenAndReadsOnly(t *testing.T) { // 1134/AC7
 		}
 	}
 	// The one event the view says: a source revision is delivered (1906/D9, ADR 0539 §17), derived by it from the wants and the haves.
-	var emits []string
-	if raw, ok := top["emits"]; ok {
-		if err := json.Unmarshal(raw, &emits); err != nil {
-			t.Fatal(err)
-		}
-	}
-	if !reflect.DeepEqual(emits, []string{"delivered"}) {
-		t.Errorf("emits = %v, want exactly [delivered]", emits)
+	if !reflect.DeepEqual(m.Emits, []string{"delivered"}) {
+		t.Errorf("emits = %v, want exactly [delivered]", m.Emits)
 	}
 	// The view uses no build seat: it reads their workers by the broker's named grant and publishes no ask (ADR 0525 §2).
 	if len(m.Uses) != 0 {