Remember, design is not coding. Design is the necessary preparation for writing code. Test the code in the current iteration. Conduct an Iteration Review. For any area that did not succeed, ruthlessly determine the root causes of the failure and fix them.
Nothing is sacred.
If you are not willing to change the remainder of the schedule or iteration content, then you are still in the waterfall mindset. Continue conducting iterations until the system is completely built. As your comfort level grows, you can add or delete artifacts or process steps as you see the need. For more information on the products or services discussed in this article, please click here and follow the instructions provided. 101 level articles on Rational technology for project and business managers.