Comment out option by default.

Author: LionsAd

.travis.yml.dist

@@ -71,7 +71,7 @@ env:
     # Specifying the phpunit-core src/ directory is useful when e.g. a vendor/
     # directory is present in the module directory, which phpunit would then
     # try to find tests in. This option is relative to $TRAVIS_BUILD_DIR.
-    - DRUPAL_TI_PHPUNIT_CORE_SRC_DIRECTORY="./tests/src"
+    #- DRUPAL_TI_PHPUNIT_CORE_SRC_DIRECTORY="./tests/src"
 
     # Code coverage via coveralls.io
     - DRUPAL_TI_COVERAGE="satooshi/php-coveralls:0.6.*"