fix build

src/hydrate/platform/index.ts

@@ -148,6 +148,8 @@ export const registerHost = (elm: d.HostElement, cmpMeta: d.ComponentRuntimeMeta
   return hostRefs.set(elm, hostRef);
 };
 
+export const hostRefCleanup = (): void => {};
+
 export const Build: d.UserBuildConditionals = {
   isDev: false,
   isBrowser: false,

src/testing/platform/index.ts

@@ -1,6 +1,6 @@
 export { Build } from './testing-build';
 export { modeResolutionChain, styles } from './testing-constants';
-export { getHostRef, registerHost, registerInstance } from './testing-host-ref';
+export { getHostRef, hostRefCleanup, registerHost, registerInstance } from './testing-host-ref';
 export { consoleDevError, consoleDevInfo, consoleDevWarn, consoleError, setErrorHandler } from './testing-log';
 export {
   isMemberInElement,

src/testing/platform/testing-host-ref.ts

@@ -58,3 +58,8 @@ export const registerHost = (elm: d.HostElement, cmpMeta: d.ComponentRuntimeMeta
   elm['s-rc'] = [];
   hostRefs.set(elm, hostRef);
 };
+
+/**
+ * Ignore potential detached nodes when testing as we often enough reload the page.
+ */
+export const hostRefCleanup = (): void => {};