comment validate functions #5

Job	Run time
contrib-tests-matrix (receiver-0)	6m 34s
contrib-tests-matrix (receiver-1)	8m 37s
contrib-tests-matrix (receiver-2)	8m 48s
contrib-tests-matrix (receiver-3)	7m 58s
contrib-tests-matrix (processor)	5m 54s
contrib-tests-matrix (exporter-0)	3m 18s
contrib-tests-matrix (exporter-1)	8m 11s
contrib-tests-matrix (extension)	5m 28s
contrib-tests-matrix (connector)	4m 2s
contrib-tests-matrix (internal)	6m 48s
contrib-tests-matrix (pkg)	3m 18s
contrib-tests-matrix (cmd-0)	45s
contrib-tests-matrix (cmd-1)	3m 42s
contrib-tests-matrix (other)	4m 9s
contrib_tests	1s
	1h 17m 33s

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