func TestDevmapperCreateEmpty(t *testing.T) { graphtest.DriverTestCreateEmpty(t, "devicemapper") }
func TestVfsCreateEmpty(t *testing.T) { graphtest.DriverTestCreateEmpty(t, "vfs") }
func TestRbdCreateEmpty(t *testing.T) { graphtest.DriverTestCreateEmpty(t, "rbd") }
func TestOverlayCreateEmpty(t *testing.T) { graphtest.DriverTestCreateEmpty(t, "overlay") }
func TestOverlayCreateEmpty(t *testing.T) { graphtest.DriverTestCreateEmpty(t, driverName) }
func TestBtrfsCreateEmpty(t *testing.T) { graphtest.DriverTestCreateEmpty(t, "btrfs") }