message: swap commands test
diff: @@ -55,6 +55,16 @@ describe("TestCase model", () => {
  test.insertCommandAt(command, 1);
  expect(test.commands[1]).toBe(command);
  });
  + it("should swap the commands", () => {
  + const test = new TestCase();
  + test.createCommand();
  + test.createCommand();
  + const command1 = test.commands[0];
  + const command2 = test.commands[1];
  + test.swapCommands(0, 1);
  + expect(command1).toBe(test.commands[1]);
  + expect(command2).toBe(test.commands[0]);
  + });
  it("Should remove a command", () => {
  const test = new TestCase();
  const command = test.createCommand();
  