AI-180: Disable LangSmith network calls in samples tests via mock cli… #1202

Job	Run time
build-lint-test (3.10, windows-latest)	7m 0s
build-lint-test (3.10, macos-arm)	6m 47s
build-lint-test (3.14, macos-intel)	7m 58s
build-lint-test (3.10, ubuntu-latest)	6m 9s
build-lint-test (3.14, ubuntu-latest)	6m 58s
build-lint-test (3.14, macos-arm)	7m 54s
build-lint-test (3.14, windows-latest)	7m 48s
build-lint-test (3.10, macos-intel)	7m 7s
	57m 41s

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