fix tests with new version of COBREXA
This also resulted in one bugfix in COBREXA, so I'm pre-bumping the dependency version.
Tests won't work until COBREXA 1.0.5 is out.
This also resulted in one bugfix in COBREXA, so I'm pre-bumping the dependency version.
Tests won't work until COBREXA 1.0.5 is out.