Fix Travis & PHPStan

.travis.yml

@@ -24,7 +24,7 @@ before_install:
 
 install:
     - if [ "$CS_FIXER" != "run" ]; then composer remove friendsofphp/php-cs-fixer --dev --no-progress --no-update ; fi;
-    - composer update --prefer-dist --no-progress --no-suggest -o $
+    - composer update --prefer-dist --no-progress -o
     - php vendor/bin/simple-phpunit install
 
 before_script:

phpstan.neon

@@ -6,7 +6,7 @@ parameters:
 
     # https://github.com/phpstan/phpstan/issues/694#issuecomment-350724288
     bootstrapFiles:
-        - vendor/bin/.phpunit/phpunit-8.5-0/vendor/autoload.php
+        - vendor/bin/.phpunit/phpunit-7.5-0/vendor/autoload.php
 
 includes:
     - vendor/phpstan/phpstan-phpunit/extension.neon