ICM: Redis extension enabled on travis.

Author: dmitry-ivanov

.travis.yml

@@ -5,6 +5,9 @@ php:
   - 7.0
   - 7.1
 
+before_install:
+  - echo "extension = redis.so" >> ~/.phpenv/versions/$(phpenv version-name)/etc/php.ini
+
 install:
   - composer install
   - composer require satooshi/php-coveralls --dev