Fix PII lab persona tests

scenarios/03-pii-row-column-cell/sql/03_data_grants.sql

@@ -3,13 +3,13 @@ WHENEVER SQLERROR EXIT SQL.SQLCODE
 CREATE OR REPLACE DATA GRANT employees_own_record
   AS SELECT, UPDATE (phone)
   ON dds_employees
-  WHERE email = ORA_END_USER_CONTEXT.username
+  WHERE UPPER(email) = ORA_END_USER_CONTEXT.username
   TO employee_role;
 
 CREATE OR REPLACE DATA GRANT manager_direct_reports
   AS SELECT (ALL COLUMNS EXCEPT ssn), UPDATE (salary)
   ON dds_employees
-  WHERE manager = ORA_END_USER_CONTEXT.username
+  WHERE UPPER(manager) = ORA_END_USER_CONTEXT.username
   TO manager_role;
 
 CREATE OR REPLACE DATA GRANT hr_all_employees