sentryStore.alterRoleGrantPrivilege(SEARCH, roleName3, updatePrivilege2, grantor);
assertEquals(0, sentryStore.getPrivilegesByAuthorizable(SEARCH, service1, null,
Arrays.asList(new Collection(COLLECTION_NAME), new Field(FIELD_NAME))).size());
assertEquals(1, sentryStore.getPrivilegesByAuthorizable(SEARCH, service1, Sets.newHashSet(roleName1),
Arrays.asList(new Collection(COLLECTION_NAME), new Field(FIELD_NAME))).size());
assertEquals(2, sentryStore.getPrivilegesByAuthorizable(SEARCH, service1,
Sets.newHashSet(roleName1), null).size());
assertEquals(2, sentryStore.getPrivilegesByAuthorizable(SEARCH, service1,
Sets.newHashSet(roleName1,roleName2), null).size());
assertEquals(2, sentryStore.getPrivilegesByAuthorizable(SEARCH, service1,
Sets.newHashSet(roleName1,roleName2, roleName3), null).size());