It looks like the gobject module does not get installed by default for
Python at least on Ubuntu server, so modify the D-Bus test case files to
import this in a way that allows other test cases to be run even without
gobject module being installed.
Signed-off-by: Jouni Malinen <j@w1.fi>
Instead of returning "skip" from the test function, raise the new
HwsimSkip exception to indicate a test case was skipped.
Signed-off-by: Jouni Malinen <j@w1.fi>
