CommitCommandMongo command = new CommitCommandMongo(mongoConnection, commit);
String revisionId = command.execute();
Assert.assertNotNull(revisionId);
instructions = new LinkedList<Instruction>();
instructions.add(new RemoveNodeInstructionImpl("/", "a"));
commit = new CommitImpl("/", "-a", "This is a simple commit", instructions);
command = new CommitCommandMongo(mongoConnection, commit);
revisionId = command.execute();
Assert.assertNotNull(revisionId);