Fix Oracle integration tests #680

Job	Run time
javadoc-spotbugs-codeql	4m 37s
build-and-test (17)	1m 22s
build-and-test (21)	1m 18s
integration-tests (17, h2)	3m 51s
build-and-test-nflow-explorer	46s
integration-tests (17, mariadb)	4m 23s
build-and-test (23)	1m 11s
integration-tests (17, postgresql)	4m 9s
integration-tests (17, mysql)	4m 32s
integration-tests (17, sqlserver)	4m 39s
integration-tests (17, db2)	6m 6s
integration-tests (17, oracle)	4m 58s
integration-tests (21, h2)	3m 45s
integration-tests (21, mariadb)	4m 21s
integration-tests (21, postgresql)	4m 26s
integration-tests (21, mysql)	4m 32s
integration-tests (21, sqlserver)	4m 49s
integration-tests (21, db2)	6m 33s
integration-tests (21, oracle)	4m 42s
	1h 15m 0s

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