diff --git a/tests/test-basic.t b/tests/test-basic.t
--- a/tests/test-basic.t
+++ b/tests/test-basic.t
@@ -31,7 +31,9 @@
   $ hg status >/dev/full
   abort: No space left on device
   [255]
+#endif
 
+#if devfull no-chg
   $ hg status >/dev/full 2>&1
   [1]
 
@@ -39,6 +41,14 @@
   [1]
 #endif
 
+#if devfull chg
+  $ hg status >/dev/full 2>&1
+  [255]
+
+  $ hg status ENOENT 2>/dev/full
+  [255]
+#endif
+
   $ hg commit -m test
 
 This command is ancient: