Removed additional tests for the moment as they won't fit inside the Travis 50 min build window

.travis.yml

@@ -8,10 +8,10 @@ matrix:
   include:
     - jdk: oraclejdk8
       env: 
-       - TEST_EXCLUDES="**/artemis/*ESTest*,**/artemis/chado/*ESTest*,**/artemis/io/*ESTest*,**/artemis/plot/*ESTest*,**/artemis/sequence/*ESTest*,**/artemis/util/*ESTest*"
+       - TEST_EXCLUDES="**/*_ESTest*"
     - jdk: openjdk8
       env: 
-       - TEST_EXCLUDES="**/artemis/components/**/*ESTest*"
+       - TEST_EXCLUDES="**/*_ESTest*"
 cache:
   directories:
   - "${HOME}/dependencies"