message: test(ivy): add root cause on tree shakable providers test
  Adds the root cause on one of the failing NgModule tests.
  PR Close
diff: @@ -1335,7 +1335,7 @@ function declareTests(config?: {useJit: boolean}) {
  });
  describe('tree shakable providers', () => {
  - fixmeIvy('unknown') &&
  + fixmeIvy('FW-794: NgModuleDefinition not exposed on NgModuleData') &&
  it('definition should not persist across NgModuleRef instances', () => {
  @NgModule()
  class SomeModule {
  