Merge branch '3.3' into 3.4

* 3.3:
  Update JsonBundleReader.php
  [HttpKernel] Clean test directory on tear down
  [Console] Remove useless http-kernel dev dep
  Fix testHtml method with regexp
  Fixed some param/return annotations in PHPDOC blocks.
  [Workflow] fixed InvalidDefinitionException message for StateMachineValidator

Author: nicolas-grekas

Validator/StateMachineValidator.php

@@ -31,7 +31,7 @@ public function validate(Definition $definition, $name)
             // Make sure that each transition has exactly one FROM
             $froms = $transition->getFroms();
             if (1 !== count($froms)) {
-                throw new InvalidDefinitionException(sprintf('A transition in StateMachine can only have one input. But the transition "%s" in StateMachine "%s" has %d inputs.', $transition->getName(), $name, count($transition->getTos())));
+                throw new InvalidDefinitionException(sprintf('A transition in StateMachine can only have one input. But the transition "%s" in StateMachine "%s" has %d inputs.', $transition->getName(), $name, count($froms)));
             }
 
             // Enforcing uniqueness of the names of transitions starting at each node