install matthiasnoback/symfony-config-test

Author: mhujer

composer.json

@@ -23,6 +23,7 @@
 	"require-dev": {
 		"consistence/coding-standard": "2.2.1",
 		"jakub-onderka/php-parallel-lint": "0.9.2",
+		"matthiasnoback/symfony-config-test": "3.0.1",
 		"phpstan/phpstan-shim": "0.8.4",
 		"phpunit/phpunit": "6.4.3",
 		"satooshi/php-coveralls": "1.0.1"