public async Task TestResourceMetrics()
{
// Scan one tablet and the whole table.
var oneTabletScanner = GetScanner("1", "1", "1", "4"); // Whole second tablet.
await using var oneTabletScanEnumerator = oneTabletScanner.GetAsyncEnumerator();
Assert.Equal(3, await ClientTestUtil.CountRowsInScanAsync(oneTabletScanEnumerator));
var fullTableScanner = GetScanner(null, null, null, null);
await using var fullTableScanEnumerator = fullTableScanner.GetAsyncEnumerator();
Assert.Equal(9, await ClientTestUtil.CountRowsInScanAsync(fullTableScanEnumerator));
// Both scans should take a positive amount of wait duration, total duration,
// cpu user and cpu system time.
ValidateResourceMetrics(oneTabletScanEnumerator.ResourceMetrics);
ValidateResourceMetrics(fullTableScanEnumerator.ResourceMetrics);
