// in a 16 disk Erasure setup. The original disks are 'replaced' with
	// naughtyDisks that fail after 'f' successful StorageAPI method
	// invocations, where f - [0,2)
	for f := 0; f < 2; f++ {
		t.Run("exec-"+strconv.Itoa(f), func(t *testing.T) {
			diskErrors := make(map[int]error)
			for i := 0; i <= f; i++ {
				diskErrors[i] = nil
			}
			erasureDisks := xl.getDisks()
			for i := range erasureDisks[:9] {