testsuite/event.py (EventFileSrcTest.setUp): Start the pipeline, so we don't get...

testsuite/event.py (EventFileSrcTest.setUp): Start the pipeline, so we don't get warnings when sending events

Original commit message from CVS:
* testsuite/event.py (EventFileSrcTest.setUp): Start the pipeline,
so we don't get warnings when sending events
(EventTest.setUp): Ditto.

* testsuite/pad.py: New test, only testing simple pad queries so far.

* testsuite/Makefile.am (tests): Add missing tests

* gst/gst.override (_wrap_gst_pad_query): Raise RuntimeError if
the return value is False and only return the queried value.