Meteor crashes with should.js in Mocha tests

gistfile1.txt

$ meteor
[[[[[ /Library/WebServer/Documents/personal/test-game ]]]]]

Running on: http://localhost:3000/

node.js:201
        throw e; // process.nextTick error, or 'error' event on first tick
              ^
ReferenceError: require is not defined
    at app/test/player.js:5:1
    at /Library/WebServer/Documents/personal/test-game/.meteor/local/build/server/server.js:127:21
    at Array.forEach (native)
    at Function.<anonymous> (/Library/WebServer/Documents/personal/test-game/.meteor/local/build/server/underscore.js:76:11)
    at /Library/WebServer/Documents/personal/test-game/.meteor/local/build/server/server.js:113:7
Exited with code: 1

node.js:201
        throw e; // process.nextTick error, or 'error' event on first tick
              ^
ReferenceError: require is not defined
    at app/test/player.js:5:1
    at /Library/WebServer/Documents/personal/test-game/.meteor/local/build/server/server.js:127:21
    at Array.forEach (native)
    at Function.<anonymous> (/Library/WebServer/Documents/personal/test-game/.meteor/local/build/server/underscore.js:76:11)
    at /Library/WebServer/Documents/personal/test-game/.meteor/local/build/server/server.js:113:7
Exited with code: 1

node.js:201
        throw e; // process.nextTick error, or 'error' event on first tick
              ^
ReferenceError: require is not defined
    at app/test/player.js:5:1
    at /Library/WebServer/Documents/personal/test-game/.meteor/local/build/server/server.js:127:21
    at Array.forEach (native)
    at Function.<anonymous> (/Library/WebServer/Documents/personal/test-game/.meteor/local/build/server/underscore.js:76:11)
    at /Library/WebServer/Documents/personal/test-game/.meteor/local/build/server/server.js:113:7
Exited with code: 1
Your application is crashing. Waiting for file change.