chore: fix isomorphic test

Author: rax-it

packages/lwc/__tests__/isomorphic-exports.spec.ts

@@ -24,6 +24,7 @@ describe('isomorphic package exports', () => {
             'hydrateComponent',
             'isNodeFromTemplate',
             'rendererFactory',
+            'setTrustedSignalSet',
         ]);
     });