[PATCH] test-rebase-base: add a note about the test name

[Jun Wu]

# HG changeset patch
# User Jun Wu <quark at fb.com>
# Date 1490737090 25200
#      Tue Mar 28 14:38:10 2017 -0700
# Node ID 31073077267b5e330925d48098dd6e0fd28bdd8e
# Parent  ce672245b46749351a71701d2fa6c786d9b2eebb
# Available At https://bitbucket.org/quark-zju/hg-draft
#              hg pull https://bitbucket.org/quark-zju/hg-draft -r 31073077267b
test-rebase-base: add a note about the test name

The test was meant to be complex cases for "rebase -b". Not a general
purposed rebase test.

diff --git a/tests/test-rebase-base.t b/tests/test-rebase-base.t
--- a/tests/test-rebase-base.t
+++ b/tests/test-rebase-base.t
@@ -1,2 +1,5 @@
+This test file is mainly about complex cases for the "--base" flag of the
+rebase command. It is not a test about rebase without "--base".
+
   $ cat >> $HGRCPATH <<EOF
   > [extensions]