diff -r 597bb5a6867f -r 7caf632e30c3 tests/test-filecache.py
--- a/tests/test-filecache.py	Sat Oct 20 19:13:05 2018 +0900
+++ b/tests/test-filecache.py	Sat Oct 20 17:56:00 2018 +0900
@@ -177,7 +177,7 @@
 def setbeforeget(repo):
     os.remove('x')
     os.remove('y')
-    repo.cached = 'string set externally'
+    repo.__class__.cached.set(repo, 'string set externally')
     repo.invalidate()
     print("* neither file exists")
     print(repo.cached)
@@ -188,7 +188,7 @@
     print("* file x created")
     print(repo.cached)
 
-    repo.cached = 'string 2 set externally'
+    repo.__class__.cached.set(repo, 'string 2 set externally')
     repo.invalidate()
     print("* string set externally again")
     print(repo.cached)