SELECT p.grantee, p.privilege, p.owner, d.directory_name
 FROM dba_tab_privs p, dba_directories d
WHERE p.table_name=d.directory_name
  AND (grantee IN ('TEST', 'PUBLIC')
       OR grantee IN (SELECT granted_role FROM dba_role_privs
                       WHERE grantee IN ('TEST', 'PUBLIC')))
ORDER BY 4,3,2;

     GRANTEE	      PRIVILEGE OWNER	DIRECTORY_NAME
EXP_FULL_DATABASE	WRITE	SYS	DATA_PUMP_DIR
IMP_FULL_DATABASE	WRITE	SYS	DATA_PUMP_DIR
EXP_FULL_DATABASE	READ	SYS	DATA_PUMP_DIR
IMP_FULL_DATABASE	READ	SYS	DATA_PUMP_DIR