Merge branch '2.3' into 2.6

* 2.3:
  fixed some tests
  Remove excess whitespace

Author: fabpot

Form.php

@@ -355,7 +355,7 @@ public function setData($modelData)
         if (!FormUtil::isEmpty($viewData)) {
             $dataClass = $this->config->getDataClass();
 
-            $actualType = is_object($viewData) ? 'an instance of class '.get_class($viewData) : ' a(n) '.gettype($viewData);
+            $actualType = is_object($viewData) ? 'an instance of class '.get_class($viewData) : 'a(n) '.gettype($viewData);
 
             if (null === $dataClass && is_object($viewData) && !$viewData instanceof \ArrayAccess) {
                 $expectedType = 'scalar, array or an instance of \ArrayAccess';