How to use the @frontity/connect.createStore function in @frontity/connect

});
  const config = wpSource();

  // add a handler for tests
  config.libraries.source.handlers.push({
    name: "always",
    priority: 0,
    pattern: "/(.*)",
    func: handler
  });

  // replace the mocked fetch by the real one we want to test
  config.actions.source.fetch = actions.fetch;
  // replace the mocked init by the real one we want to test
  config.actions.source.init = actions.init;
  return createStore(config);
};

const config = wpSource();
  const { api, populate } = config.libraries.source;

  // mock api
  (api.get as jest.Mock).mockResolvedValue(mockResponse([post60]));

  // mock populate
  (populate as jest.Mock).mockResolvedValue([
    {
      id: 60,
      slug: "the-beauties-of-gullfoss",
      link: "https://test.frontity.io/2016/the-beauties-of-gullfoss/"
    }
  ]);

  store = createStore(config);
});

beforeEach(() => {
  warn.mockClear();

  // Create store.
  const config: HeadTagsPackage = clone(headTagsPackage());

  // Mock wp-source state.
  config.state.source = clone(wpSource()).state.source;
  config.state.source.api = "https://test.frontity.io/wp-json";
  // Mock router state.
  config.state.router = { link: "/" };
  // Mock site url.
  config.state.frontity = { url: "https://mars.frontity.org" };
  // Initialize store.
  store = createStore(config);
});

beforeEach(() => {
  store = createStore(clone(wpSource()));
  store.actions.source.init();
  api = store.libraries.source.api as jest.Mocked;
});

beforeEach(() => {
  store = createStore(clone(wpSource()));
  store.actions.source.init();
  api = store.libraries.source.api as jest.Mocked;
});

beforeEach(() => {
  store = createStore(clone(wpSource()));
  store.actions.source.init();
  api = store.libraries.source.api as jest.Mocked;
});

beforeEach(() => {
  store = createStore(clone(wpSource()));
  store.actions.source.init();
  api = store.libraries.source.api as jest.Mocked;
});

beforeEach(() => {
  store = createStore(clone(wpSource()));
  store.actions.source.init();
  api = store.libraries.source.api as jest.Mocked;
});

beforeEach(() => {
  store = createStore(clone(wpSource()));
  store.actions.source.init();
  api = store.libraries.source.api as jest.Mocked;
});