Throwable error = errors.get( 0 );
assertTrue( error instanceof LdapSchemaException );
// Check that the existing MR has not been replaced
assertTrue( isMRPresent( schemaManager, "2.5.13.0" ) );
MatchingRule existing = schemaManager.lookupMatchingRuleRegistry( "2.5.13.0" );
assertEquals( "objectIdentifierMatch", existing.getName() );
assertEquals( mrrSize, schemaManager.getMatchingRuleRegistry().size() );
assertEquals( goidSize, schemaManager.getGlobalOidRegistry().size() );