PHPC-980: Skip session spec test on Travis (pending 3.6)
PHPC-980: Skip session spec test on Travis (pending 3.6)

jmikola/mongo-php-driver,jmikola/mongo-php-driver-prototype,jmikola/mongo-php-driver-prototype,10gen-labs/mongo-php-driver-prototype,derickr/mongo-php-driver,mongodb-labs/mongo-php-driver-prototype,mongodb-labs/mongo-php-driver-prototype,mongodb/mongo-php-driver,mongodb-labs/mongo-php-driver-prototype,derickr/mongo-php-driver,mongodb/mongo-php-driver,jmikola/mongo-php-driver,mongodb/mongo-php-driver,derickr/mongo-php-driver-prototype,derickr/mongo-php-driver-prototype,10gen-labs/mongo-php-driver-prototype,jmikola/mongo-php-driver-prototype,10gen-labs/mongo-php-driver-prototype,derickr/mongo-php-driver,jmikola/mongo-php-driver,derickr/mongo-php-driver,derickr/mongo-php-driver-prototype,mongodb/mongo-php-driver,jmikola/mongo-php-driver,derickr/mongo-php-driver,jmikola/mongo-php-driver,mongodb-labs/mongo-php-driver-prototype,derickr/mongo-php-driver,jmikola/mongo-php-driver-prototype,10gen-labs/mongo-php-driver-prototype,jmikola/mongo-php-driver-prototype,derickr/mongo-php-driver-prototype,10gen-labs/mongo-php-driver-prototype,mongodb-labs/mongo-php-driver-prototype,derickr/mongo-php-driver-prototype,mongodb/mongo-php-driver