Fixed failing unit-test

Author: raymondschouten

src/BooleanType.php

@@ -103,10 +103,10 @@ public function setDefaultOptions(OptionsResolverInterface $resolver)
         ));
 
         $resolver->setAllowedTypes(array(
-            'value_true' => array('string'),
-            'value_false' => array('string'),
-            'label_true' => array('string'),
-            'label_false' => array('string'),
+            'value_true' => array('string', 'integer'),
+            'value_false' => array('string', 'integer'),
+            'label_true' => array('string', 'null'),
+            'label_false' => array('string', 'null'),
         ));
 
         $resolver->setAllowedValues(array(

tests/BooleanTypeTest.php

@@ -125,6 +125,7 @@ public function providerValueTrueFalse()
             'yes/no' => array('yes', 'no'),
             'on/off' => array('on', 'off'),
             '1/0' => array('1', '0'),
+            '1/2' => array(1, 2),
         );
     }