Tests

feat: Add PipelineTool to streamline using Pipeline as Tools with Agent #18666

Job	Run time
format	19s
Unit / ubuntu-latest	2m 12s
Unit / windows-latest	4m 18s
check-imports	16s
Unit / macos-latest	2m 38s
Integration / windows-latest	4m 40s
lint	3m 32s
Integration / macos-latest	2m 32s
Integration / ubuntu-latest	2m 33s
Tests completed / Mark tests as completed	2s
	23m 2s

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