I have written an angular application that has your package as a dependency. it uses source code to build your package, which forces your tests to run. 11 tests fail due to the 2000ms timeout, which I cannot find a way to alter.
I have tried using the karma config to change the mocha timeout, as well as the package.json file of all places, to configure mocha's timeout.
perhaps you could provide us with a way to alter that?