public void testDeleteSnapshot() throws Exception {
String snapshotName = "completed";
SnapshotDescription snapshot = SnapshotDescription.newBuilder().setName(snapshotName).build();
DeleteSnapshotRequest request = DeleteSnapshotRequest.newBuilder().setSnapshot(snapshot)
.build();
try {
master.deleteSnapshot(null, request);
fail("Master didn't throw exception when attempting to delete snapshot that doesn't exist");
} catch (ServiceException e) {