fix find_all_by_id(n1, n2) parameter at test_member_of_scope_should_return_the_union_of_all_members of PrincipalTest
find_all_by_id(n1, n2) returns only n1 result.
Authored by: marutosijp 2013-12-27
Parent: [r12468]
Child: [r12470]
