add cast tests

Author: astral-data

tests/Serialize/From/NormalizerFromSerializeTest.php

@@ -35,7 +35,7 @@ class NormalizerClass extends Serialize
     $normalizerOne->name_one = 'one name';
     $normalizerOne->id_one   = 1;
 
-    $normalizerTwo           = new NormalizerTwo();
+    $normalizerTwo = new NormalizerTwo();
     $normalizerTwo->name_two = 'two name';
     $normalizerTwo->id_two   = 2;