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Scripts need to be written as AMD modules. Plenty of documentation exists out on the web. The details of our RequireJS AMD system are described in the link below
RequireJS Javascript loading system in the BA-Server AMD Javascript Modules (RequireJS)

Unit Testing

MORE RESEARCH REQURED.
Notes: Seems like RequireJS guys have worked around the issues with the major test suites out there, JSTestDriver, Jasmine. https://github.com/jrburke/requirejs/wiki/Test-frameworks

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