Turn Factory::coerce() into an alias of Factory::check()

Author: erayd

src/JsonSchema/Validator.php

@@ -45,12 +45,9 @@ public function check(&$value, $schema = null, JsonPointer $path = null, $i = nu
      *
      * {@inheritDoc}
      */
-    public function coerce(&$value, $schema = null, JsonPointer $path = null, $i = null)
+    public function coerce(&$value, $schema = null)
     {
         $this->factory->setConfig(array('coerce-types' => true));
-        $validator = $this->factory->createInstanceFor('schema');
-        $validator->check($value, $schema);
-
-        $this->addErrors(array_unique($validator->getErrors(), SORT_REGULAR));
+        return $this->check($value, $schema);
     }
 }