CREATE OR REPLACE PACKAGE pkg1 IS
   --%suite
   
   --%throws(-20501)
   --%test
   PROCEDURE p;
END;
/

CREATE OR REPLACE PACKAGE pkg2 IS
   --%suite
   
   --%test
   PROCEDURE p;
END;
/

SET SERVEROUTPUT ON SIZE UNLIMITED
EXECUTE ut.run;

pkg1
  p [.11 sec] (FAILED - 1)
 
pkg2
  p [.094 sec] (FAILED - 2)
 
Failures:
 
  1) p
      Actual: -4067 was expected to equal: -20501
      ORA-04067: not executed, package body "SCOTT.PKG1" does not exist
      ORA-06508: PL/SQL: could not find program unit being called: "SCOTT.PKG1"
      ORA-06512: at line 6
       
  2) p
      ORA-04067: not executed, package body "SCOTT.PKG2" does not exist
      ORA-06508: PL/SQL: could not find program unit being called: "SCOTT.PKG2"
      ORA-06512: at line 6
Finished in .211323 seconds
2 tests, 1 failed, 1 errored, 0 disabled, 0 warning(s)

CREATE OR REPLACE PACKAGE BODY pkg1 IS
   PROCEDURE p IS
   BEGIN
      raise_application_error(-20501, 'some error');
   END;   
END;
/