In the log you attached this line:
[0m[31m Error: timeout of 5000ms exceeded[0m[90m
looks different from what you report in the bug:
[0m[31m Error: timeout of 1ms exceeded[0m[90m
The test suite is run by upstream (and by us) with this command:
mocha -t 5000 -b -R spec test/index
this is where the timeout of 5 s comes from.
Not sure if we should worry about this one.
And above all: I'm clueless at why it should fail.
Where did it fail ?
What is special with your test environment ?