gnucash unstable: Provide fallback value for test_core_dir in case it hasn't been built yet.

[John Ralls]

Updated	 via  https://github.com/Gnucash/gnucash/commit/c9f3c076 (commit)
	from  https://github.com/Gnucash/gnucash/commit/fbb172d0 (commit)



commit c9f3c0760cb06225e4c011af2bceafe7029e17e0
Author: John Ralls <jralls at ceridwen.us>
Date:   Fri Mar 9 13:48:36 2018 -0800

    Provide fallback value for test_core_dir in case it hasn't been built yet.



Summary of changes:
 bindings/python/tests/CMakeLists.txt | 4 ++++
 1 file changed, 4 insertions(+)