test: update documentation for test_emacs in test/README

Update test_emacs documentation in test/README according to the latest
changes in emacs tests.  Move the note regarding setting variables
from test/emacs to test/README.

1 files changed, 0 insertions, 5 deletions

diff --git a/test/emacs b/test/emacs
index 53f455a..f465e2b 100755
--- a/test/emacs
+++ b/test/emacs
@@ -1,10 +1,5 @@
 #!/usr/bin/env bash
 
-# Note: do not use `setq' for setting variables in Emacs tests because
-# it affects other tests that may run in the same Emacs instance.  Use
-# `let' instead so the scope of the changed variables is limited to a
-# single test.
-
 test_description="emacs interface"
 . test-lib.sh