DATAJDBC-616 - Fixes a test with sporadic failures.

The schema created in the setup script didn't get cleaned up when it contained tables, which it does once the setup script ran once.

Author: schauder

spring-data-jdbc/src/test/resources/org.springframework.data.jdbc.core/JdbcAggregateTemplateSchemaIntegrationTests-mssql.sql

@@ -1,4 +1,5 @@
-DROP TABLE IF EXISTS OTHER;
+DROP TABLE IF EXISTS OTHER.DUMMY_ENTITY;
+DROP TABLE IF EXISTS OTHER.REFERENCED;
 DROP SCHEMA IF EXISTS OTHER;
 
 CREATE SCHEMA OTHER;