Update tests with a (compile time) option SUBSURFACE_TEST_DATA,
pointing to test data base path. It is needed for cross compilation cases.
SUBSURFACE_TEST_DATA is set to SUBSURFACE_SOURCE by default,
or configurable via cmake option -DSUBSURFACE_TEST_DATA="...".
Signed-off-by: Jeremie Guichard <djebrest@gmail.com>
We do some merging in a couple of the other tests as well, but the idea
is to have specific test cases that exercise our merge logic.
This one starts simple. Merge a dive with some valid info with a second
one that has less data filled. And then try it in both possible orders.
It shows a few potential problems.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>