message: Wrapped navigate in its own act
  The one after the initial render to mimic previous behaviour where state updates were sync
diff: @@ -717,7 +717,7 @@ describe('FluentLinkTest', function () {
  });
  assert.equal(stateNavigator.stateContext.state.key, 's0');
  var link = stateNavigator.fluent(true).navigate('s1').url;
  - stateNavigator.navigateLink(link);
  + act(() => stateNavigator.navigateLink(link));
  assert.equal(stateNavigator.stateContext.state.key, 's0');
  })
  });
  