diff -u b/tests/serial.fields.inc b/tests/serial.fields.inc
--- b/tests/serial.fields.inc
+++ b/tests/serial.fields.inc
@@ -5,7 +5,7 @@
  */
 
 /**
- * Class EnvironmentFieldAccessFields.
+ * Class SerialFields.
  */
 class SerialFields {
 
diff -u b/tests/serial.test b/tests/serial.test
--- b/tests/serial.test
+++ b/tests/serial.test
@@ -35,7 +35,7 @@
 
     $this->drupalCreateContentType(array('type' => static::CONTENT_TYPE));
 
-    $this->fields = new \SerialFields(array(
+    $this->fields = new SerialFields(array(
       'serial' => array(
         'type' => SERIAL_FIELD_TYPE,
         'label' => 'Serial',