completion: refactor __gitcomp related tests

diff --git a/t/t4013/diff.log_--root_-p_master b/t/t4013/diff.log_--root_-p_master
index 217a2eb203718b91ccd79a04e0369f4c5d2905aa..b42c334439b71cdb391d832d498b90a22aad2656 100644 (file)
--- a/t/t4013/diff.log_--root_-p_master
+++ b/t/t4013/diff.log_--root_-p_master
@@ -1,6 +1,6 @@
 $ git log --root -p master
 commit 59d314ad6f356dd08601a4cd5e530381da3e3c64
-Merge: 9a6d494... c7a2ab9...
+Merge: 9a6d494 c7a2ab9
 Author: A U Thor <author@example.com>
 Date:   Mon Jun 26 00:04:00 2006 +0000