test fix get top level driver class

crss-admin/crss-admin-azure.yml

@@ -4,7 +4,6 @@ spring:
   redis:
     database: 2
   datasource:
-    driverClassName: org.postgresql.Driver
     url: jdbc:postgresql://10.64.0.4:5432/crss?currentSchema=admin
     username: crss_admin
     password: crss_admin

crss-audit/crss-audit-azure.yml

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