Replace dictionarydb with inmemorydb, a sqlite :memory: db

.travis.yml

@@ -45,7 +45,7 @@ before_script:
 script:
  # --exclude=TestUser because of older version of mock
  #                    without configure_mock
- - nosetests3 --nologcapture --with-coverage --cover-package=gramps --exclude=TestcaseGenerator --exclude=vcard --exclude=merge_ref_test  --exclude=user_test gramps
+ - GRAMPS_RESOURCES=. nosetests3 --nologcapture --with-coverage --cover-package=gramps --exclude=TestcaseGenerator --exclude=vcard --exclude=merge_ref_test  --exclude=user_test gramps
 
 after_success:
  - codecov