diff --git a/tests/test-patch-offset.out b/tests/test-patch-offset.out
deleted file mode 100644
--- a/tests/test-patch-offset.out
+++ /dev/null
@@ -1,10 +0,0 @@
-% prepare repo
-adding a
-% import patch
-applying patch from stdin
-patching file a
-Hunk #1 succeeded at 43 (offset 34 lines).
-Hunk #2 succeeded at 87 (offset 34 lines).
-Hunk #3 succeeded at 109 (offset 34 lines).
-a
-% compare imported changes against reference file
diff --git a/tests/test-patch-offset b/tests/test-patch-offset.t
old mode 100755
new mode 100644
rename from tests/test-patch-offset
rename to tests/test-patch-offset.t
--- a/tests/test-patch-offset
+++ b/tests/test-patch-offset.t
@@ -1,67 +1,76 @@
-#!/bin/sh
 
-cat > writepatterns.py <<EOF
-import sys
+  $ cat > writepatterns.py <<EOF
+  > import sys
+  > 
+  > path = sys.argv[1]
+  > patterns = sys.argv[2:]
+  > 
+  > fp = file(path, 'wb')
+  > for pattern in patterns:
+  >     count = int(pattern[0:-1])
+  >     char = pattern[-1] + '\n'
+  >     fp.write(char*count)
+  > fp.close()
+  > EOF
 
-path = sys.argv[1]
-patterns = sys.argv[2:]
+prepare repo
 
-fp = file(path, 'wb')
-for pattern in patterns:
-    count = int(pattern[0:-1])
-    char = pattern[-1] + '\n'
-    fp.write(char*count)
-fp.close()
-EOF
+  $ hg init a
+  $ cd a
+
+These initial lines of Xs were not in the original file used to generate
+the patch.  So all the patch hunks need to be applied to a constant offset
+within this file.  If the offset isn't tracked then the hunks can be
+applied to the wrong lines of this file.
 
-echo % prepare repo
-hg init a
-cd a
+  $ python ../writepatterns.py a 34X 10A 1B 10A 1C 10A 1B 10A 1D 10A 1B 10A 1E 10A 1B 10A
+  $ hg commit -Am adda
+  adding a
 
-# These initial lines of Xs were not in the original file used to generate
-# the patch.  So all the patch hunks need to be applied to a constant offset
-# within this file.  If the offset isn't tracked then the hunks can be
-# applied to the wrong lines of this file.
-python ../writepatterns.py a 34X 10A 1B 10A 1C 10A 1B 10A 1D 10A 1B 10A 1E 10A 1B 10A
-hg commit -Am adda
+This is a cleaner patch generated via diff
+In this case it reproduces the problem when
+the output of hg export does not
+import patch
 
-# This is a cleaner patch generated via diff
-# In this case it reproduces the problem when
-# the output of hg export does not
-echo % import patch
-hg import -v -m 'b' -d '2 0' - <<EOF
---- a/a	2009-12-08 19:26:17.000000000 -0800
-+++ b/a	2009-12-08 19:26:17.000000000 -0800
-@@ -9,7 +9,7 @@
- A
- A
- B
--A
-+a
- A
- A
- A
-@@ -53,7 +53,7 @@
- A
- A
- B
--A
-+a
- A
- A
- A
-@@ -75,7 +75,7 @@
- A
- A
- B
--A
-+a
- A
- A
- A
-EOF
+  $ hg import -v -m 'b' -d '2 0' - <<EOF
+  > --- a/a	2009-12-08 19:26:17.000000000 -0800
+  > +++ b/a	2009-12-08 19:26:17.000000000 -0800
+  > @@ -9,7 +9,7 @@
+  >  A
+  >  A
+  >  B
+  > -A
+  > +a
+  >  A
+  >  A
+  >  A
+  > @@ -53,7 +53,7 @@
+  >  A
+  >  A
+  >  B
+  > -A
+  > +a
+  >  A
+  >  A
+  >  A
+  > @@ -75,7 +75,7 @@
+  >  A
+  >  A
+  >  B
+  > -A
+  > +a
+  >  A
+  >  A
+  >  A
+  > EOF
+  applying patch from stdin
+  patching file a
+  Hunk #1 succeeded at 43 (offset 34 lines).
+  Hunk #2 succeeded at 87 (offset 34 lines).
+  Hunk #3 succeeded at 109 (offset 34 lines).
+  a
 
-echo % compare imported changes against reference file
-python ../writepatterns.py aref 34X 10A 1B 1a 9A 1C 10A 1B 10A 1D 10A 1B 1a 9A 1E 10A 1B 1a 9A
-diff aref a
+compare imported changes against reference file
 
+  $ python ../writepatterns.py aref 34X 10A 1B 1a 9A 1C 10A 1B 10A 1D 10A 1B 1a 9A 1E 10A 1B 1a 9A
+  $ diff aref a