Fix PHP types being treated as a classes

Author: cs278

src/Codeception/Util/ReflectionHelper.php

@@ -85,7 +85,7 @@ public static function getClassFromParameter(ReflectionParameter $parameter)
         }
 
         $type = $parameter->getType();
-        if ($type === null) {
+        if ($type === null || $type->isBuiltin()) {
             return null;
         }
         $typeString = $type->getName();

tests/unit/Codeception/Util/ReflectionHelperTest.php

@@ -90,6 +90,11 @@ public function testGetClassFromParameter()
             null,
             ReflectionHelper::getClassFromParameter(new ReflectionParameter(array($object, 'setDebug'), 'flavor'))
         );
+
+        $this->assertEquals(
+            null,
+            ReflectionHelper::getClassFromParameter(new ReflectionParameter(array($object, 'setInt'), 'i'))
+        );
     }
 
     public function testGetDefaultValue()