Enable CI tests using the Standard Test Interface

Adding initial set of selinux tests from the shared test repo
according to the Standard Test Interface [1]. See Quick Start
Guide [2] for brief introduction about how to run these tests
and the Fedora CI portal [3] for more detailed info and links.

[1] https://fedoraproject.org/wiki/CI/Standard_Test_Interface
[2] https://fedoraproject.org/wiki/CI/Quick_Start_Guide
[3] https://fedoraproject.org/wiki/CI

tests/tests.yml

@@ -0,0 +1,31 @@
+---
+- hosts: localhost
+  roles:
+  - role: standard-test-beakerlib
+    tags:
+    - classic
+    repositories:
+    - repo: "https://src.fedoraproject.org/tests/selinux.git"
+      dest: "selinux"
+      fmf_filter: "tier:1 | component:selinux-policy"
+    required_packages:
+    - dosfstools
+    - e2fsprogs
+    - gcc
+    - git
+    - grep
+    - checkpolicy
+    - libselinux
+    - libselinux-utils
+    - libsemanage
+    - libsepol
+    - libsepol-devel
+    - policycoreutils
+    - policycoreutils-python
+    - selinux-policy
+    - selinux-policy-devel
+    - selinux-policy-minimum
+    - selinux-policy-mls
+    - selinux-policy-targeted
+    - setools-console
+    - util-linux