From 9a65386dfc3146de4f9b36962caae2df0662ac98 Mon Sep 17 00:00:00 2001
From: Joe Wang <106995533+JoeWang1127@users.noreply.github.com>
Date: Fri, 20 Dec 2024 18:18:36 +0000
Subject: [PATCH] docs: update development guide (#3480)

In this PR:
- Update development guide on the integration test.
---
 hermetic_build/DEVELOPMENT.md | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/hermetic_build/DEVELOPMENT.md b/hermetic_build/DEVELOPMENT.md
index 6bdb46a272..e1b933f15c 100644
--- a/hermetic_build/DEVELOPMENT.md
+++ b/hermetic_build/DEVELOPMENT.md
@@ -25,15 +25,14 @@ python -m pip install hermetic_build/release_note_generation
 # Run the integration tests
 
 The integration tests build the docker image declared in
-`.cloudbuild/library_generation/library_generation.Dockerfile`, pull GAPIC
-repositories, generate the libraries and compare the results with the source
-code declared in a "golden branch" of the repo.
+`.cloudbuild/library_generation/library_generation.Dockerfile`, pull API
+definitions and GAPIC repositories, generate the libraries and compare the
+results with the source code declared in a "golden branch" of the repo.
 
-It requires docker and python (>= 3.12.0) to be installed.
+The integration tests are running in Cloud Build rather than GitHub workflow
+because the workflow doesn't have permission to pull images from Airlock.
 
-```shell
-python -m unittest hermetic_build/library_generation/tests/integration_tests.py
-```
+The Cloud Build job is defined in `.cloudbuild/library_generation/cloudbuild-library-generation-integration-test.yaml` and runs in every pull request.
 
 # Run the unit tests