diff --git a/tests/test-hgk.out b/tests/test-hgk.out
deleted file mode 100644
--- a/tests/test-hgk.out
+++ /dev/null
@@ -1,9 +0,0 @@
-adding a
-tree a0c8bcbbb45c
-parent 000000000000
-author test 0 0
-committer test 0 0
-revision 0
-branch default
-
-adda
diff --git a/tests/test-hgk b/tests/test-hgk.t
old mode 100755
new mode 100644
rename from tests/test-hgk
rename to tests/test-hgk.t
--- a/tests/test-hgk
+++ b/tests/test-hgk.t
@@ -1,11 +1,18 @@
-#!/bin/sh
-
-echo "[extensions]" >> $HGRCPATH
-echo "hgk=" >> $HGRCPATH
+Minimal hgk check
 
-hg init repo
-cd repo
-echo a > a
-hg ci -Am adda
-hg debug-cat-file commit 0
-
+  $ echo "[extensions]" >> $HGRCPATH
+  $ echo "hgk=" >> $HGRCPATH
+  $ hg init repo
+  $ cd repo
+  $ echo a > a
+  $ hg ci -Am adda
+  adding a
+  $ hg debug-cat-file commit 0
+  tree a0c8bcbbb45c
+  parent 000000000000
+  author test 0 0
+  committer test 0 0
+  revision 0
+  branch default
+  
+  adda