TimeoutOverflowWarning on unit test (on nodejs)

[oberstet]

Need to investigate why/what:

(cpy372_5) oberstet@intel-nuci7:~/scm/crossbario/autobahn-js$ make test_connect 
nodeunit test/test_connect.js

test_connect.js
connecting 10 sessions ...
(node:3660) TimeoutOverflowWarning: 1.0000000000000002e+31 does not fit into a 32-bit signed integer.
Timeout duration was set to 1.
(node:3660) TimeoutOverflowWarning: 1.0000000000000002e+31 does not fit into a 32-bit signed integer.
Timeout duration was set to 1.
(node:3660) TimeoutOverflowWarning: 1.0000000000000002e+31 does not fit into a 32-bit signed integer.
Timeout duration was set to 1.
(node:3660) TimeoutOverflowWarning: 1.0000000000000002e+31 does not fit into a 32-bit signed integer.
Timeout duration was set to 1.
(node:3660) TimeoutOverflowWarning: 1.0000000000000002e+31 does not fit into a 32-bit signed integer.
Timeout duration was set to 1.
(node:3660) TimeoutOverflowWarning: 1.0000000000000002e+31 does not fit into a 32-bit signed integer.
Timeout duration was set to 1.
(node:3660) TimeoutOverflowWarning: 1.0000000000000002e+31 does not fit into a 32-bit signed integer.
Timeout duration was set to 1.
(node:3660) TimeoutOverflowWarning: 1.0000000000000002e+31 does not fit into a 32-bit signed integer.
Timeout duration was set to 1.
(node:3660) TimeoutOverflowWarning: 1.0000000000000002e+31 does not fit into a 32-bit signed integer.
Timeout duration was set to 1.
(node:3660) TimeoutOverflowWarning: 1.0000000000000002e+31 does not fit into a 32-bit signed integer.
Timeout duration was set to 1.
all 10 sessions connected
leaving session 0
leaving session 1
leaving session 2
leaving session 3
leaving session 4
leaving session 5
leaving session 6
leaving session 7
leaving session 8
leaving session 9
✔ testConnect

OK: 1 assertions (115ms)