add into tier2

Sanity/named/caching-forwarder-dnssec/main.fmf

@@ -1,4 +1,5 @@
 summary: Configure bind as caching and validating forwarder
+contact: Petr Sklenar <psklenar@redhat.com>
 test: ./test.sh
 framework: beakerlib
 description: |
@@ -11,5 +12,6 @@ description: |
 recommend+:
   - sed
   - awk
+tier: 2
 extra-nitrate: TC#0617579
 id: 3525bab3-7884-4252-b0ad-1688de267812

Sanity/named/json-support/main.fmf

@@ -4,11 +4,13 @@ description: |
     Bugzilla link: https://bugzilla.redhat.com/show_bug.cgi?id=1899257
 contact:
   - Petr Mensik <pemensik@redhat.com>
+  - Petr Sklenar <psklenar@redhat.com>
 test: ./runtest.sh
 framework: beakerlib
 recommend:
   - python3
 duration: 5m
+tier: 2
 extra-summary: /CoreOS/bind/Sanity/json-support
 extra-task: /CoreOS/bind/Sanity/json-support
 extra-nitrate: TC#0617580

Sanity/named/named-checkzone/main.fmf

@@ -2,6 +2,7 @@ summary: Sanity/named-checkzone
 description: ''
 contact: Petr Sklenar <psklenar@redhat.com>
 test: ./runtest.sh
+tier: 2
 framework: beakerlib
 duration: 5m
 enabled: true