test fix get top level driver class

crss-audit/crss-audit-azure.yml

@@ -1,6 +1,7 @@
 spring:
   crss-audit:
     datasource:
+      driverClassName: "${spring.datasource.driverClassName}"
       jdbcUrl: jdbc:postgresql://10.64.0.4:5432/crss?currentSchema=audit
       username: crss_audit
       password: crss_audit