Fixes flaky tests

src/test/regress/sql/multi_behavioral_analytics_create_table.sql

@@ -116,3 +116,5 @@ INSERT INTO events_reference_table SELECT * FROM events_table;
 CREATE TABLE users_reference_table (like users_table including all);
 SELECT create_reference_table('users_reference_table');
 INSERT INTO users_reference_table SELECT * FROM users_table;
+
+DROP SCHEMA IF EXISTS with_basics CASCADE;