it(`${name(Root1)} correctly handles canUnload with load ${name(B12)}/${name(B01)},${name(B12)}/${name(A01)} in order`, async function () {
      const { router, host, tearDown } = await createFixture(Root1, Z, getDefaultHIAConfig, getRouterOptions);

      let result = await router.load(`b12/b01`);
      assertComponentsVisible(host, [Root1, B12, [B01]]);