'Why is my testing input not working with react-native-testing?

Why I get this error when I want to test my input:

    expect(received).toEqual(expected) // deep equality

    Expected: "asdasd"
    Received: {"_fiber": {"_debugHookTypes": null, "_debugID": 263, "_debugNeedsRemount": false, "_debugOwner": [FiberNode], "_debugSource": null, "actualDuration": 0, "actualStartTime": -1, "alternate": [FiberNode], "child": null, "childLanes": 0, "dependencies": null, "elementType": "TextInput", "firstEffect": null, "flags": 4, "index": 0, "key": null, "lanes": 0, "lastEffect": null, "memoizedProps": [Object], "memoizedState": null, "mode": 0, "nextEffect": null, "pendingProps": [Object], "ref": null, "return": [FiberNode], "selfBaseDuration": 0, "sibling": null, "stateNode": [Object], "tag": 5, "treeBaseDuration": 0, "type": "TextInput", "updateQueue": null}}

Test.js

  it('should change the email text and password and press the login button', async  () => {
    const { debug, getByTestId } = render(
      <Provider store={store}>
        <NavigationContainer>
          <Auth route={{params: {
            isLogin: true
          }}} />
        </NavigationContainer>
      </Provider>);

    await act(async () => {
      fireEvent.changeText(getByTestId('username_input'), 'asdasd');
    })

    await waitFor(() => {
      expect(getByTestId('username_input')).toEqual('asdasd');
    })

  });

What I am doing wrong and how can I solve this issue ?

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Solution	Source

'Why is my testing input not working with react-native-testing?

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