<Columns space="small" component="span"> <Column> <Placeholder height={40} /> </Column> <Column> <Placeholder height={40} /> </Column> </Columns>
<Columns data={{ testid: 'columns-1' }} // => data-testid="columns-1" > <Column data={{ testid: 'column-1' }} // => data-testid="column-1" > ... </Column> </Columns>