react-testing-library why is toBeInTheDocument() not a function

Question

Here is my code for a tooltip that toggles the CSS property display: block on MouseOver and on Mouse Out display: none.

 it(\'should sho         


        

Answer 1

Instead of doing:

    expect(queryByText('test')).toBeInTheDocument()

you can find and test that it is in the document with just one line by using

    let element = getByText('test');

The test will fail if the element isn't found with the getBy call.