Agile Testing Alliance Global Testing Retreat 2022 keynote.

1. @maaretp
@maaretp@mas.to
Targeting
Errors of Omission
by Maaret Pyhäjärvi

2. @maaretp
@maaretp@mas.to
“Your colleague is working through
many tests a day, and you’re not”
– a manager

3. @maaretp
@maaretp@mas.to
1 2 4 5
What is missing?

4. @maaretp
@maaretp@mas.to
1 2 4 5
:

5. @maaretp
@maaretp@mas.to
https://en.wikipedia.org/wiki/Invisible_ink

6. @maaretp
@maaretp@mas.to
Stakeholders happy,
even delighted
–Quality Information
Good Team’s Output
–Quality Information
Less than Good
Team’s Output
–Quality Information
Results Gap
Surprise!
Results Gap
on aTeam that thinks
Testers ==Testing
Pick up the pizza boxes…
”Find (some of) What Others May Have Missed”

7. @maaretp
@maaretp@mas.to
1 – 2 – 3
Model to Test Coverage
https://visible-quality.blogspot.com/2022/11/1-2-3-model-to-test-coverage.html
1. Code
2. Requirements
1. Results 1. Environment
2. Data
3. Parafunctional

8. @maaretp
@maaretp@mas.to
Negative Space

9. @maaretp
@maaretp@mas.to
We confuse long/detailed with
solid
à Individual Review Prep

10. @maaretp
@maaretp@mas.to
Testing
Challenges,
a
paired
modeling
session
result
by
Maaret
Pyhäjärvi
&
Irja
Straus,
9.12.2022

11. @maaretp
@maaretp@mas.to
Developer misunderstandings
end up in production
à Reverse Review Manouver

12. @maaretp
@maaretp@mas.to
Active search is required to
see negative space
à Spec of Claims

13. @maaretp
@maaretp@mas.to
Pictures say different things
than texts
à Visual Modeling

14. @maaretp
@maaretp@mas.to
Exploring
ChatGPT,
model
by
Testing
Dozen
https://testing-dozen.github.io

15. @maaretp
@maaretp@mas.to
Reference helps notice change
as something goes missing
à Baselining (approval testing)
*performance, visual, claims

16. @maaretp
@maaretp@mas.to
Cost of Documentation?
… writing
… reading
… maintaining

17. @maaretp
@maaretp@mas.to
Some Tests
for integer to
roman
numerals
program

18. @maaretp
@maaretp@mas.to
Everything that does not
need to be automated gets
done while automating.
* Subject to how you organize for testing

19. @maaretp
@maaretp@mas.to
A majority of the
production failures (77%)
can be reproduced by a
unit test.
https://www.usenix.org/system/files/conference/osdi14/osdi14-paper-yuan.pdf
Through https://www.slideshare.net/Kevlin/the-error-of-our-ways

20. @maaretp
@maaretp@mas.to
2020 2016
MIATPP
Most Influential Agile Testing
Professional Person
#PayToSpeak #TechVoices
#EnsembleTesting #EnsembleProgramming #StrongStylePairing
#ExploratoryTesting #TestAutomation #ContemporaryExploratoryTesting
#ModernAgile
#AwesomeTesters
Maaret Pyhäjärvi (from Finland)
Email: maaret@iki.fi
Mastodon: @maaretp@mas.to
Web: maaretp.com
LinkedIn: https://www.linkedin.com/in/maaret/
Blog: visible-quality.blogspot.fi
(please connect with me through
Twitter or LinkedIn)
2019, 2020, 2021, 2022
https://exploratorytestingacademy.com
Ohjelmistotestaus ry
https://ohjelmistotestaus.org
https://techvoices.org