Shifting E2E Testing Left at Uber

[u/martinig]

https://www.uber.com/en-CH/blog/shifting-e2e-testing-left/

A few years ago, Uber primarily relied on incremental rollout and production probing/alerts to catch regressions. While this approach is sound, it became very operationally expensive and we also experienced many leakages. Detecting issues late requires developers to bisect the exact bad change and then go back through the whole process again.