Use FMF filter instead of listing tests manually

There is a new feature in the Standard Test Roles which allows to
use an FMF filter instead of listing all tests manually. This
commit includes all Tier1 and Tier2 tests for respective targets.

tests/tests.yml

@@ -9,10 +9,7 @@
     repositories:
     - repo: "https://src.fedoraproject.org/tests/shell.git"
       dest: "shell"
-    tests:
-    - shell/func
-    - shell/login
-    - shell/smoke
+      fmf_filter: "tier: 1, 2 & tags: classic"
     environment:
       PACKAGES: ksh
       SH_BIN: ksh
@@ -30,9 +27,7 @@
     repositories:
     - repo: "https://src.fedoraproject.org/tests/shell.git"
       dest: "shell"
-    tests:
-    - shell/func
-    - shell/smoke
+      fmf_filter: "tier: 1, 2 & tags: container, atomic"
     environment:
       PACKAGES: ksh
       SH_BIN: ksh