diff --git a/core/tests/scanner_test.py b/core/tests/scanner_test.py
index e9379246..35b18395 100644
--- a/core/tests/scanner_test.py
+++ b/core/tests/scanner_test.py
@@ -17,6 +17,7 @@ from core.scanner import Scanner, ScanType
 from core.me.scanner import ScannerME
 
 
+# TODO update this to be able to inherit from fs.File
 class NamedObject:
     def __init__(self, name="foobar", size=1, path=None):
         if path is None:
@@ -31,6 +32,9 @@ class NamedObject:
     def __repr__(self):
         return "<NamedObject {!r} {!r}>".format(self.name, self.path)
 
+    def exists(self):
+        return self.path.exists()
+
 
 no = NamedObject