Starting from Mocha v3.0.0, calling ``++this.timeout(X)++`` with ``++X++`` greater than the https://developer.mozilla.org/en-US/docs/Web/API/WindowOrWorkerGlobalScope/setTimeout#Maximum_delay_value[maximum delay value] (2,147,483,647 ms) https://mochajs.org/#hook-level[will cause the timeout to be disabled]. This might not be what the developer intended. If the goal is really to disable the timeout, ``++this.timeout(0)++`` should be used instead.