Remove code coverage from PHP 5.6

.travis.yml

@@ -20,12 +20,12 @@ cache:
     - $HOME/.cache/composer/files
 
 install:
-  - sh -c 'if [ "$TRAVIS_PHP_VERSION" = "5.4" ] || [ "$TRAVIS_PHP_VERSION" = "5.5" ]; then phpenv config-rm xdebug.ini; fi;'
+  - sh -c 'if [ "$TRAVIS_PHP_VERSION" = "5.4" ] || [ "$TRAVIS_PHP_VERSION" = "5.5" ] || [ "$TRAVIS_PHP_VERSION" = "5.6" ]; then phpenv config-rm xdebug.ini; fi;'
   - if [ "$lowest" = "1" ]; then composer update --prefer-lowest --prefer-stable; else composer install; fi;
 
 script:
-  - sh -c 'if [ "$TRAVIS_PHP_VERSION" != "hhvm-nightly" ] && [ "$TRAVIS_PHP_VERSION" != "5.4" ] && [ "$TRAVIS_PHP_VERSION" != "5.5" ]; then vendor/bin/phpunit --coverage-text --coverage-clover=coverage.clover tests; else vendor/bin/phpunit; fi;'
+  - sh -c 'if [ "$TRAVIS_PHP_VERSION" != "hhvm-nightly" ] && [ "$TRAVIS_PHP_VERSION" != "5.4" ] && [ "$TRAVIS_PHP_VERSION" != "5.5" ] && [ "$TRAVIS_PHP_VERSION" != "5.6" ]; then vendor/bin/phpunit --coverage-text --coverage-clover=coverage.clover tests; else vendor/bin/phpunit; fi;'
 
 after_script:
-  - sh -c 'if [ "$TRAVIS_PHP_VERSION" != "hhvm-nightly" ] && [ "$TRAVIS_PHP_VERSION" != "5.4" ] && [ "$TRAVIS_PHP_VERSION" != "5.5" ]; then wget https://scrutinizer-ci.com/ocular.phar; fi;'
-  - sh -c 'if [ "$TRAVIS_PHP_VERSION" != "hhvm-nightly" ] && [ "$TRAVIS_PHP_VERSION" != "5.4" ] && [ "$TRAVIS_PHP_VERSION" != "5.5" ]; then php ocular.phar code-coverage:upload --format=php-clover coverage.clover; fi;'
+  - sh -c 'if [ "$TRAVIS_PHP_VERSION" != "hhvm-nightly" ] && [ "$TRAVIS_PHP_VERSION" != "5.4" ] && [ "$TRAVIS_PHP_VERSION" != "5.5" ] && [ "$TRAVIS_PHP_VERSION" != "5.6" ]; then wget https://scrutinizer-ci.com/ocular.phar; fi;'
+  - sh -c 'if [ "$TRAVIS_PHP_VERSION" != "hhvm-nightly" ] && [ "$TRAVIS_PHP_VERSION" != "5.4" ] && [ "$TRAVIS_PHP_VERSION" != "5.5" ] && [ "$TRAVIS_PHP_VERSION" != "5.6" ]; then php ocular.phar code-coverage:upload --format=php-clover coverage.clover; fi;'