Increase timeouts for tests that have low values

Increase timeouts for tests that have low values

Some tests have short timeouts (20 secs) that would usually not be
a problem on an performant machine but when build servers are under
load, especially in I/O, this can lead to intermittent failures.
This changes increases those 20 secs timeouts to 1 minute to help
in those situations.

Change-Id: I38b56c65d3981c4cf6490724f97aa26de7b0f736
Signed-off-by: Marc-Andre Laperle <marc-andre.laperle@ericsson.com>
Reviewed-on: https://git.eclipse.org/r/70330
Reviewed-by: Hudson CI
Reviewed-by: Alexandre Montplaisir <alexmonthy@efficios.com>
Tested-by: Alexandre Montplaisir <alexmonthy@efficios.com>