BUG-866: Fixed incorrect path construction in JUnit tests.

Change-Id: I0a9d73876ea0dd6263d414e91070d405fef9069b
Signed-off-by: Martin Vitez <mvitez@cisco.com>
(cherry picked from commit e182798c1f8e7cdaa63662e2290c85a27e5a8c6c)