Basic test case

tests/TestCase/TestSuite/IntegrationTestCaseTest.php

@@ -248,6 +248,19 @@ public function testAssertResponseContains()
         $this->assertResponseContains('content');
     }
 
+    /**
+     * Test the negated content assertion.
+     *
+     * @return void
+     */
+    public function testAssertResponseNotContains()
+    {
+        $this->_response = new Response();
+        $this->_response->body('Some content');
+
+        $this->assertResponseNotContains('contents');
+    }
+
     /**
      * Test that works in tandem with testEventManagerReset2 to
      * test the EventManager reset.