diff --git a/TestSuite/NetCommonsControllerTestCase.php b/TestSuite/NetCommonsControllerTestCase.php
index feaddfd1..a310af54 100644
--- a/TestSuite/NetCommonsControllerTestCase.php
+++ b/TestSuite/NetCommonsControllerTestCase.php
@@ -316,6 +316,21 @@ protected function _testActionOnValidationError($method, $data, $urlOptions, $va
 		return $result;
 	}
 
+/**
+ * ExceptionErrorのMockセット
+ *
+ * @param string $mockModel Mockのモデル
+ * @param string $mockMethod Mockのメソッド
+ * @return void
+ */
+	protected function _mockForReturnFalse($mockModel, $mockMethod) {
+		list($mockPlugin, $mockModel) = pluginSplit($mockModel);
+		$Mock = $this->getMockForModel($mockPlugin . '.' . $mockModel, array($mockMethod));
+		$Mock->expects($this->once())
+			->method($mockMethod)
+			->will($this->returnValue(false));
+	}
+
 /**
  * Generates a mocked controller and mocks any classes passed to `$mocks`. By
  * default, `_stop()` is stubbed as is sending the response headers, so to not