SF4 compatibility (#37)

* SF4 compatibility

* Fix Behat test

Author: alanpoulain

composer.json

@@ -14,8 +14,8 @@
     "require": {
         "php": ">=5.5",
         "behat/behat": "^3.0.12",
-        "symfony/dependency-injection": "^2.7|^3.0",
-        "symfony/process": "^2.0|^3.0",
+        "symfony/dependency-injection": "^2.7|^3.0|^4.0",
+        "symfony/process": "^2.0|^3.0|^4.0",
         "doctrine/annotations": "^1.2"
     },
 

features/scenario_state.feature

@@ -12,7 +12,7 @@ Feature: Scenario shared state
     When I run "behat --no-colors features/donkeys.feature"
     Then it should fail with:
     """
-    [Behat\Testwork\Argument\Exception\UnknownParameterValueException]
+    Can not find a matching value for an argument
     """
 
   Scenario: Scenario Outline should work properly