improve: DependentResourceCrossRefIT cleanup and logging #5381

Job	Run time
sample_operators_tests (sample-operators/mysql-schema)	1m 36s
sample_operators_tests (sample-operators/leader-election)	1m 26s
sample_operators_tests (sample-operators/tomcat-operator)	1m 32s
sample_operators_tests (sample-operators/webpage)	1m 23s
	5m 57s

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