test-dispatch.t: remove incorrect "cd $dir"
A line that should have been removed in
50fbe9063ff2.
--- a/tests/test-dispatch.t Fri Jan 04 13:03:44 2013 -0600
+++ b/tests/test-dispatch.t Sun Jan 06 04:04:44 2013 +0100
@@ -50,7 +50,6 @@
No repo:
- $ cd $dir
$ hg cat
abort: no repository found in '$TESTTMP' (.hg not found)!
[255]