Add automatized test of AnnounceLocal

.travis.yml

@@ -11,6 +11,7 @@ before_script:
 script:
  - python -m pytest plugins/CryptMessage/Test
  - python -m pytest plugins/Bigfile/Test
+ - python -m pytest plugins/AnnounceLocal/Test
  - python -m pytest src/Test --cov=src --cov-config src/Test/coverage.ini
 before_install:
   - pip install -U pytest mock pytest-cov selenium
@@ -26,4 +27,4 @@ cache:
     - $HOME/.cache/pip
 notifications:
   email:
-    on_success: change
+    on_success: change