tests: sync gating test plan with RHEL 9

plans/shell.fmf

@@ -1,14 +0,0 @@
-summary:
-    Run relevant tests from the shell tests repository
-discover:
-    how: fmf
-    url: https://src.fedoraproject.org/tests/shell
-    filter: component:mksh
-prepare:
-    how: install
-    package: mksh
-execute:
-    how: tmt
-environment:
-    PACKAGES: mksh
-    SH_BIN: mksh

plans/tier1.fmf

@@ -3,10 +3,21 @@
 summary: Tier1 plan for mksh
 
 discover:
-  how: fmf
-  url: https://pkgs.devel.redhat.com/git/tests/mksh
-  ref: master
-  filter: tier:1
+  - how: fmf
+    filter: 'tag: CI-Tier-1 & component: mksh'
+    url: https://pkgs.devel.redhat.com/git/tests/bash
+  - how: fmf
+    filter: 'tag: CI-Tier-1 & component: mksh'
+    url: https://pkgs.devel.redhat.com/git/tests/dash
+  - how: fmf
+    filter: 'tag: CI-Tier-1 & component: mksh'
+    url: https://pkgs.devel.redhat.com/git/tests/ksh
+  - how: fmf
+    filter: 'tag: CI-Tier-1 & component: mksh'
+    url: https://pkgs.devel.redhat.com/git/tests/mksh
+  - how: fmf
+    filter: 'tag: CI-Tier-1 & component: mksh'
+    url: https://pkgs.devel.redhat.com/git/tests/zsh
 
 execute:
   how: tmt