feat: Add pytest integration #47

Job	Run time
langchain-py (3.10, windows-latest) / test	50s
build (3.10, windows-latest, 1)	16m 3s
build (3.11, ubuntu-latest, 0)	5m 49s
build (3.10, windows-latest, 0)	9m 36s
build (3.10, ubuntu-latest, 1)	8m 30s
build (3.11, windows-latest, 0)	10m 10s
build (3.12, windows-latest, 0)	13m 22s
build (3.11, windows-latest, 1)	13m 56s
build (3.13, ubuntu-latest, 1)	8m 42s
build (3.11, ubuntu-latest, 1)	8m 23s
build (3.13, ubuntu-latest, 0)	6m 17s
build (3.10, ubuntu-latest, 0)	5m 55s
build (3.12, windows-latest, 1)	13m 57s
build (3.13, windows-latest, 0)	10m 16s
build (3.13, windows-latest, 1)	13m 15s
build (3.12, ubuntu-latest, 1)	8m 23s
langchain-py (3.12, ubuntu-latest) / test	19s
langchain-py (3.13, ubuntu-latest) / test	19s
langchain-py (3.12, windows-latest) / test	46s
langchain-py (3.11, windows-latest) / test	46s
langchain-py (3.11, ubuntu-latest) / test	17s
build (3.12, ubuntu-latest, 0)	5m 44s
adk-py (3.10, windows-latest) / test	37s
langchain-py (3.10, ubuntu-latest) / test	18s
adk-py (3.11, windows-latest) / test	42s
langchain-py (3.13, windows-latest) / test	1m 19s
adk-py (3.11, ubuntu-latest) / test	15s
adk-py (3.12, ubuntu-latest) / test	15s
adk-py (3.10, ubuntu-latest) / test	15s
adk-py (3.12, windows-latest) / test	52s
upload-wheel	0s
	2h 46m 8s

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