Fix tsig system test

During rebase, custom md5 part gone missing.

bind-9.11-fips-tests.patch

@@ -1,4 +1,4 @@
-From 3f9d05b72f725defd1452fd3d4b8ef3192e96c0b Mon Sep 17 00:00:00 2001
+From 303aae42064a4f6245f9c519953a5e6dd67510c0 Mon Sep 17 00:00:00 2001
 From: =?UTF-8?q?Petr=20Men=C5=A1=C3=ADk?= <pemensik@redhat.com>
 Date: Thu, 2 Aug 2018 23:46:45 +0200
 Subject: [PATCH] FIPS tests changes
@@ -86,11 +86,13 @@ Date:   Wed Mar 7 10:44:23 2018 +0100
  bin/tests/system/rndc/setup.sh                |  2 +-
  bin/tests/system/rndc/tests.sh                | 23 ++++---
  bin/tests/system/tsig/ns1/named.conf.in       | 10 +--
+ bin/tests/system/tsig/ns1/rndc5.conf.in       | 10 +++
  bin/tests/system/tsig/setup.sh                |  5 ++
  bin/tests/system/tsig/tests.sh                | 67 ++++++++++++-------
  bin/tests/system/upforwd/ns1/named.conf.in    |  2 +-
  bin/tests/system/upforwd/tests.sh             |  2 +-
- 32 files changed, 151 insertions(+), 107 deletions(-)
+ 33 files changed, 161 insertions(+), 107 deletions(-)
+ create mode 100644 bin/tests/system/tsig/ns1/rndc5.conf.in
 
 diff --git a/bin/tests/system/acl/ns2/named1.conf.in b/bin/tests/system/acl/ns2/named1.conf.in
 index 0ea6502..026db3f 100644
@@ -788,6 +790,22 @@ index fbf30c6..f61657d 100644
  
  key "sha1-trunc" {
  	secret "FrSt77yPTFx6hTs4i2tKLB9LmE0=";
+diff --git a/bin/tests/system/tsig/ns1/rndc5.conf.in b/bin/tests/system/tsig/ns1/rndc5.conf.in
+new file mode 100644
+index 0000000..0682194
+--- /dev/null
++++ b/bin/tests/system/tsig/ns1/rndc5.conf.in
+@@ -0,0 +1,10 @@
++# Conditionally included when support for MD5 is available
++key "md5" {
++	secret "97rnFx24Tfna4mHPfgnerA==";
++	algorithm hmac-md5;
++};
++
++key "md5-trunc" {
++	secret "97rnFx24Tfna4mHPfgnerA==";
++	algorithm hmac-md5-80;
++};
 diff --git a/bin/tests/system/tsig/setup.sh b/bin/tests/system/tsig/setup.sh
 index b3e0450..90a6ce4 100644
 --- a/bin/tests/system/tsig/setup.sh