diff --git a/src/test_case.js b/src/test_case.js
index 82bef56..0dc0a42 100755
--- a/src/test_case.js
+++ b/src/test_case.js
@@ -20,6 +20,16 @@ class TestCase extends TestNode {
     this._errorContent = undefined;
   }
 
+  /**
+   * @param {string} className
+   * @returns {TestCase}
+   * @chainable
+   */
+  className(className) {
+    this._attributes.classname = className;
+    return this;
+  }
+
   /**
    * @param {string} filepath
    * @returns {TestCase}
diff --git a/src/test_node.js b/src/test_node.js
index a6961b9..c242c3b 100644
--- a/src/test_node.js
+++ b/src/test_node.js
@@ -24,16 +24,6 @@ class TestNode {
     return this;
   }
 
-  /**
-   * @param {string} className
-   * @returns {TestNode}
-   * @chainable
-   */
-  className(className) {
-    this._attributes.classname = className;
-    return this;
-  }
-
   /**
    * @param {string} name
    * @returns {TestNode}