refining resource version comparison #30

Job	Run time
sample_operators_tests (sample-operators/webpage)	4m 54s
sample_operators_tests (sample-operators/leader-election)	3m 9s
sample_operators_tests (sample-operators/mysql-schema)	6m 22s
sample_operators_tests (sample-operators/tomcat-operator)	2m 53s
	17m 18s

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