add polina to the test user :-)

[ruettenm]

see

const users: User[] = [
    {
        id: 1,
        name: 'Matthias',
        username: 'ruettenm',
        avatar_url: require('../../images/matthias.jpg').default,
    },
    {
        id: 2,
        name: 'Julian',
        username: 'jukempff',
        avatar_url: require('../../images/julian.jpg').default,
    },
]

in testData.ts

[tagirova]

#75