diff --git a/tests/test-install.out b/tests/test-install.out
deleted file mode 100644
--- a/tests/test-install.out
+++ /dev/null
@@ -1,18 +0,0 @@
-% hg debuginstall
-Checking encoding (ascii)...
-Checking extensions...
-Checking templates...
-Checking patch...
-Checking commit editor...
-Checking username...
-No problems detected
-% hg debuginstall with no username
-Checking encoding (ascii)...
-Checking extensions...
-Checking templates...
-Checking patch...
-Checking commit editor...
-Checking username...
- no username supplied (see "hg help config")
- (specify a username in your .hgrc file)
-1 problems detected, please check your install!
diff --git a/tests/test-install b/tests/test-install.t
old mode 100755
new mode 100644
rename from tests/test-install
rename to tests/test-install.t
--- a/tests/test-install
+++ b/tests/test-install.t
@@ -1,10 +1,23 @@
-#!/bin/sh
-
-echo '% hg debuginstall'
 hg debuginstall
+  $ hg debuginstall
+  Checking encoding (ascii)...
+  Checking extensions...
+  Checking templates...
+  Checking patch...
+  Checking commit editor...
+  Checking username...
+  No problems detected
 
-echo '% hg debuginstall with no username'
-HGUSER= hg debuginstall
+hg debuginstall with no username
+  $ HGUSER= hg debuginstall
+  Checking encoding (ascii)...
+  Checking extensions...
+  Checking templates...
+  Checking patch...
+  Checking commit editor...
+  Checking username...
+   no username supplied (see "hg help config")
+   (specify a username in your .hgrc file)
+  1 problems detected, please check your install!
 
-# Happy End
-true
+  $ true