1. Stop breaking those windows
P2, P3, P4, P5
Every time you do not fix a bug
You breake a new window

2. Wetest to makeourproduct defectfree
Why dowe write tests?

3. What dowedowhena test fails?

4. When a test breakes wefixthe defect

6. What dowedowhena bug is discovered?

7. Write a test
Fix the bug

8. Is that what you do?
Honestly?

9. You should!
A bugis just an unwrittentest that would have
failed
Andhow didwe handle failed test now again?

10. Clean up GoGreen
(adapt to capacity)
FixNextSprint
(Stop-the-line)

11. Any defect is a broken window

12. The stop-the-line song
I keep a close watch on these tests of mine
I keep my Jenkins open all the time
I see a defect coming down the line
Becuse you're mine, I stop the line