adubey64: Update presentations by 2022-10-27

[bernhold]

• [x] "Update https://github.com/bssw-tutorial/presentations/blob/master/design.pptx by 2022-10-27"
• [x] "Update https://github.com/bssw-tutorial/presentations/blob/master/testing-a.pptx by 2022-10-27"
• [x] "Remember to update <https://github.com/bssw-tutorial/presentations/blob/master/presentations.yml if any titles change!"