tests: don't run test-update-atomic.t on chg
I am unable to find a good way to make `showwrites` extension in it to work with
chg. Also putting the use of showwrites inside `if no-chg` will defeat the
purpose of test, so I just made the test no-op on chg.
--- a/tests/test-update-atomic.t Wed Mar 25 20:15:57 2020 +0530
+++ b/tests/test-update-atomic.t Thu Mar 26 14:01:31 2020 +0530
@@ -1,4 +1,4 @@
-#require execbit unix-permissions
+#require execbit unix-permissions no-chg
Checking that experimental.atomic-file works.