so it was just a plain fluke that it ever succeeded.
* use a normal (non-dynamic) zone.
* check that reloads of the master zone actually occur.
* remove example3 test from tests.sh as it wasn't testing notify.
* add a "sleep 1" so that the copied file will have a newer timestamp.
* improve system test logging.
* using seperate output files for each test so that it is possible
to work out what went wrong if the system test fails.
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