improve: remove owner refernce check (#2838) #5254

Job	Run time
sample_operators_tests (sample-operators/webpage)	3m 25s
sample_operators_tests (sample-operators/tomcat-operator)	2m 26s
sample_operators_tests (sample-operators/mysql-schema)	2m 58s
sample_operators_tests (sample-operators/leader-election)	3m 18s
	12m 7s

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