Disable shared memory test for MacOS for now
Disable shared memory test for MacOS for now

KnockSoftware/node-osrm,KnockSoftware/node-osrm,Project-OSRM/node-osrm,Project-OSRM/node-osrm,Project-OSRM/node-osrm,oxidase/node-osrm,KnockSoftware/node-osrm,KnockSoftware/node-osrm,oxidase/node-osrm,oxidase/node-osrm