architecture. To disable them, build with
        `--define=tensorflow_mkldnn_contraction_kernel=0`.
    *   `tf.linspace(start, stop, num)` now always uses "stop" as last value
        (for num > 1)
    *   Added top-k to precision and recall to keras metrics.
    *   Add a ragged size op and register it to the op dispatcher

		{
			name: "valid alpha name",
			vol: core.Volume{
				Name: "empty",
				VolumeSource: core.VolumeSource{
					EmptyDir: &core.EmptyDirVolumeSource{},
				},
			},
		}, {
			name: "valid num name",
			vol: core.Volume{
				Name: "123",
				VolumeSource: core.VolumeSource{
					EmptyDir: &core.EmptyDirVolumeSource{},
				},
			},
		}, {
			name: "valid alphanum name",