PHPLIB-518: Don't assert error codes for pre-3.2 servers in renameCollection tests
PHPLIB-518: Don't assert error codes for pre-3.2 servers in renameCollection tests

mongodb/mongo-php-library,mongodb/mongo-php-library,mongodb/mongo-php-library,jmikola/mongo-php-library,jmikola/mongo-php-library,jmikola/mongo-php-library-prototype,jmikola/mongo-php-library,mongodb/mongo-php-library,jmikola/mongo-php-library,10gen-labs/mongo-php-library-prototype