diff --git a/tests/Fixtures/Interface1.php b/tests/Fixtures/Interface1.php
new file mode 100644
index 0000000..70b8d4a
--- /dev/null
+++ b/tests/Fixtures/Interface1.php
@@ -0,0 +1,7 @@
+<?php
+
+namespace DaveRandom\CallbackValidator\Test\Fixtures;
+
+interface Interface1{
+
+}