diff --git a/tests/test-bad-extension.out b/tests/test-bad-extension.out
deleted file mode 100644
--- a/tests/test-bad-extension.out
+++ /dev/null
@@ -1,5 +0,0 @@
-*** failed to import extension badext from .../badext.py: bit bucket overflow
-*** failed to import extension badext2: No module named badext2
-hg help [TOPIC]
-
-show help for a given topic or a help overview
diff --git a/tests/test-bad-extension b/tests/test-bad-extension.t
old mode 100755
new mode 100644
rename from tests/test-bad-extension
rename to tests/test-bad-extension.t
--- a/tests/test-bad-extension
+++ b/tests/test-bad-extension.t
@@ -1,13 +1,15 @@
-#!/bin/sh
-
-echo 'raise Exception("bit bucket overflow")' > badext.py
-abspath=`pwd`/badext.py
+  $ echo 'raise Exception("bit bucket overflow")' > badext.py
+  $ abspath=`pwd`/badext.py
 
-echo '[extensions]' >> $HGRCPATH
-echo "gpg =" >> $HGRCPATH
-echo "hgext.gpg =" >> $HGRCPATH
-echo "badext = $abspath" >> $HGRCPATH
-echo "badext2 =" >> $HGRCPATH
+  $ echo '[extensions]' >> $HGRCPATH
+  $ echo "gpg =" >> $HGRCPATH
+  $ echo "hgext.gpg =" >> $HGRCPATH
+  $ echo "badext = $abspath" >> $HGRCPATH
+  $ echo "badext2 =" >> $HGRCPATH
 
-hg -q help help 2>&1 | python -c \
-  "import sys; sys.stdout.write(sys.stdin.read().replace('$abspath', '.../badext.py'))"
+  $ hg -q help help
+  \*\*\* failed to import extension badext from .*/badext.py: bit bucket overflow
+  \*\*\* failed to import extension badext2: No module named badext2
+  hg help [TOPIC]
+  
+  show help for a given topic or a help overview