Update .travis.yml

Author: mnapoli

.travis.yml

@@ -9,18 +9,20 @@ php:
   - 7.2
   - nightly
 
+matrix:
+  fast_finish: true
+
+cache:
+  directories:
+    - $HOME/.composer/cache
+
 before_script:
-  - composer install --no-interaction
+  - composer install -n
 
 script:
-  - vendor/bin/phpunit --coverage-clover=coverage.clover
+  - vendor/bin/phpunit
   - vendor/bin/phpcs --standard=PSR2 ./src/
 
-after_script:
-    - wget https://scrutinizer-ci.com/ocular.phar
-    - php ocular.phar code-coverage:upload --format=php-clover coverage.clover
-
 # Use Travis' new container-based infrastructure.
 # See http://docs.travis-ci.com/user/migrating-from-legacy/#How-can-I-use-container-based-infrastructure%3F
 sudo: false
-