增加了 test_login 单元测试

.bash_logout

@@ -0,0 +1,33 @@
+#!/usr/bin/env bash
+#  vim:ts=4:sts=4:sw=4:et
+#
+#  Author: Hari Sekhon
+#  Date: 2006-06-28 23:25:09 +0100 (Wed, 28 Jun 2006)
+#
+#  https://github.com/HariSekhon/DevOps-Bash-tools
+#
+#  License: see accompanying Hari Sekhon LICENSE file
+#
+#  If you're using my code you're welcome to connect with me on LinkedIn and optionally send me feedback to help steer this or other code I publish
+#
+#  https://www.linkedin.com/in/HariSekhon
+#
+
+# ============================================================================ #
+#                             B a s h   L o g o u t
+# ============================================================================ #
+
+# read all history lines not already read from the history file and append them to the history list
+history -n
+
+# destroy kerberos tickets in all caches (-A), quietly don't beep (-q)
+kdestroy -A -q
+
+clear
+
+# From Ubuntu
+## when leaving the console clear the screen to increase privacy
+#
+#if [ "$SHLVL" = 1 ]; then
+#    [ -x /usr/bin/clear_console ] && /usr/bin/clear_console -q
+#fi