--- a/tests/testlib	Sat Mar 04 02:56:50 2017 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,15 +0,0 @@
-#!/bin/sh
-
-# This file holds logic that is used in many tests.
-# It can be called in a test like this:
-#  $ . "$TESTDIR/testlib"
-
-# Enable obsolete markers and enable extensions
-cat >> $HGRCPATH << EOF
-[experimental]
-evolution=createmarkers,exchange
-
-[extensions]
-rebase=
-EOF
-echo "topic=$(echo $(dirname $TESTDIR))/hgext3rd/topic" >> $HGRCPATH