Can not get display name in React when named export

🐛 Bug Report

To Reproduce

Steps to reproduce the behavior:

1. setup jest config with ts-jest

2. create App component and named export it as bellow.

export const App = () => <div/>;

1. create test file as bellow

test('<App/>', () => {
  console.log(App.name);
});

1. You can check App.name is undefined

Expected behavior

It should output App when I executed console.log(App.name)

envinfo

System:
    OS: Mac

Npm packages:
    jest: ^26.2.2
    ts-jest: ^26.1.4
    typescript: ^3.9.7
    babel(optional):

[ahnpnl]

Ah ha nice 👍 I was also surprised that each browser has their own way of producing name so when I tested out some codes, chrome gave me different results than jest.

[ahnpnl]

you can also write your own TypeScript AST transformer and give it to ts-jest 😃, following that babel plugin does