[PATCH 3/3] fix out of tree tests

[David Bremner]

Tomi Ollila <tomi.ollila at iki.fi> writes:

> Use $NOTMUCH_SRCDIR/ instead of $TEST_DIRECTORY/../ (in those 2 places)
> where refecence to source directory instead of build directory is
> required.
> ---

If you're regenerating this anyway, theres a spelling mistake in the
commit message (refecence)