Bind a stream consumer again when the bus ends its loop, so a module is not left deaf when the controller deletes and makes again a consumer it cannot narrow (hq issue 725)

node-tools/internal/meshtest/meshtest.go

@@ -317,3 +317,12 @@ func (m *Mesh) Messages(t *testing.T, stream string) uint64 {
 	}
 	return info.State.Msgs
 }
+
+// RemoveConsumer deletes a module's consumer on a machine on a stream, as the controller does when a grant
+// it cannot narrow is withdrawn (novox/hq ADR 0363 §6).
+func (m *Mesh) RemoveConsumer(t *testing.T, stream, node, module string) {
+	t.Helper()
+	if err := m.js.DeleteConsumer(stream, node+"_"+module); err != nil {
+		t.Fatal(err)
+	}
+}