feat: allow easier configuration of matcher (#2760) #5141

Job	Run time
sample_operators_tests (sample-operators/mysql-schema)	2m 39s
sample_operators_tests (sample-operators/webpage)	2m 57s
sample_operators_tests (sample-operators/tomcat-operator)	2m 38s
sample_operators_tests (sample-operators/leader-election)	3m 13s
	11m 27s

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