improve: log diagnostic for remote deployment junit extension #6864

Job	Run time
sample_operators_tests (sample-operators/tomcat-operator)	3m 25s
sample_operators_tests (sample-operators/metrics-processing)	3m 39s
sample_operators_tests (sample-operators/mysql-schema)	2m 38s
sample_operators_tests (sample-operators/webpage)	3m 5s
sample_operators_tests (sample-operators/leader-election)	3m 19s
	16m 6s

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