Fix build issue for unittest

Fix build issue for unittest

- Exact solution not found for mocking 'cynara_initialize' and
'cynara_finish'

- Issues arize when creating them.
  -- terminate called after throwing an instance of 'std::invalid_argument'
   what():  The test does not provide mock of "10CynaraMock"

Change-Id: I5ff1311bc22bf57c915bc6b3bb5b405147219947
Signed-off-by: Inkyun Kil <inkyun.kil@samsung.com>