Fix for CVE-2023-34468 in apache/nifi (project asf__nifi_CVE-2023-34468_1.21.0), commit 4faf3ea59895e7e153db3f8f61147ff70a254361
Fixed file: nifi-nar-bundles/nifi-standard-services/nifi-dbcp-service-bundle/nifi-dbcp-service/src/test/java/org/apache/nifi/dbcp/DBCPServiceTest.java
Fixed class: DBCPServiceTest (lines 53-287)
Fixed method: testCustomValidateOfKerberosProperties (lines 103-131)
Method signature: void testCustomValidateOfKerberosProperties()