[WIP] feat: naive performance test and handling results storing #6217

Job	Run time
sample_operators_tests (sample-operators/tomcat-operator)	2m 42s
sample_operators_tests (sample-operators/webpage)	3m 5s
sample_operators_tests (sample-operators/mysql-schema)	2m 47s
sample_operators_tests (sample-operators/leader-election)	3m 18s
	11m 52s

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