improve: related resource reference change #7371

Job	Run time
sample_operators_tests (sample-operators/tomcat-operator)	3m 55s
sample_operators_tests (sample-operators/operations)	9m 32s
sample_operators_tests (sample-operators/leader-election)	4m 14s
sample_operators_tests (sample-operators/webpage)	3m 54s
sample_operators_tests (sample-operators/mysql-schema)	3m 35s
	25m 10s

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