Fix "cleanup" flag

backend/backend_test.go

@@ -99,7 +99,7 @@ func testBackend(b backend.Backend, t *testing.T) {
 		}
 
 		// remove content if requested
-		if *testCleanup {
+		if *TestCleanup {
 			for _, test := range TestStrings {
 				id, err := backend.ParseID(test.id)
 				OK(t, err)