diff --git a/dev/SapphireTest.php b/dev/SapphireTest.php
index 21df46c13..951d619f1 100644
--- a/dev/SapphireTest.php
+++ b/dev/SapphireTest.php
@@ -171,6 +171,13 @@ class SapphireTest extends PHPUnit_Framework_TestCase {
 
 	public function setUp() {
 
+		if (!defined('FRAMEWORK_PATH')) {
+			trigger_error(
+				'Missing constants, did you remember to include the test bootstrap in your phpunit.xml file?',
+				E_USER_WARNING
+			);
+		}
+
 		//nest config and injector for each test so they are effectively sandboxed per test
 		Config::nest();
 		Injector::nest();