import { render, screen } from '@testing-library/react'; import { arrayToDataFrame } from '@grafana/data'; import { DataHoverView } from './DataHoverView'; describe('DataHoverView component', () => { it('should default to multi mode if mode is null or undefined', () => { const data = arrayToDataFrame([{ foo: 'bar' }]); render(<DataHoverView data={data} rowIndex={0} />); expect(screen.queryByText('bar')).toBeInTheDocument(); }); });