public void CreateSuspendCommand() {
            // Arrange
            const int commandId = 3;

            // Act
            var suspendCommand = new SuspendCommand(commandId);

            // Assert
            Assert.AreEqual(commandId, suspendCommand.Id);
            Assert.AreEqual(
                string.Format("{{\"command\":\"suspend\",\"seq\":{0},\"type\":\"request\",\"arguments\":null}}", commandId),
                suspendCommand.ToString());
        }