text: import React from 'react'
  import ShowdownScreen from './ShowdownScreen'
  import RootStore from '../src/models/RootStore'
  import renderer from 'react-test-renderer'
  import { Provider } from 'mobx-react'
  
  it('renders without crashing', () => {
    const store = RootStore.create()
    const navigation = {
      navigate: jest.fn(),
      getParam: jest.fn(), //.mockImplementation(() => ''),
      setParams: jest.fn(),
    }
    const tree = renderer
      .create(
        <Provider store={store}>
          <ShowdownScreen navigation={navigation} />
        </Provider>
      )
      .toJSON()
    expect(tree).toBeTruthy()
  })
  