Can not get any of the MALOS examples running

/home/pi/matrix-creator-malos/src/js_test/test_everloop.js:17
var matrixMalosBuilder = protoBuilder.build(“matrix_malos”)
^

TypeError: Cannot read property 'build' of null
    at Object.<anonymous> (/home/pi/matrix-creator-malos/src/js_test/test_everloop.js:17:38)
    at Module._compile (module.js:413:34)
    at Object.Module._extensions..js (module.js:422:10)
    at Module.load (module.js:357:32)
    at Function.Module._load (module.js:314:12)
    at Function.Module.runMain (module.js:447:10)
    at startup (node.js:148:18)
    at node.js:405:3

Those tests all require the protocol buffers to be available. Did you run git submodule update --init?

Check the steps here : https://matrix-io.github.io/matrix-documentation/#matrix-os-setup