Use tmt and osci for gating

converted from STI which ran just --help

.fmf/version

@@ -0,0 +1 @@
+1

gating.yaml

@@ -1,6 +1,8 @@
 --- !Policy
+
 product_versions:
   - rhel-8
 decision_context: osci_compose_gate
 rules:
-  - !PassingTestCaseRule {test_case_name: baseos-ci.brew-build.tier1.functional}
+  - !PassingTestCaseRule {test_case_name: osci.brew-build.tier0.functional}
+

plan.fmf

@@ -0,0 +1,11 @@
+discover:
+  how: shell
+  tests:
+  - name: smoke
+    test: pethtool --help
+    require:
+    - python3-ethtool
+
+
+execute:
+  how: tmt

tests/scripts/run_tests.sh

@@ -1,17 +0,0 @@
-#!/usr/bin/bash
-# make sure we have python3-ethtool installed
-if rpm -q --quiet python3-ethtool; then
-    :
-else
-    sudo dnf install -y python3-ethtool
-    if [[ $? != 0 ]]; then
-        echo "install of python3-ethtool failed!"
-        exit 1
-    fi
-fi
-
-# See if python3-ethtool's pethtool is installed,executable and help works.
-pethtool --help 2>> /dev/null
-if [[ $? != 0 ]]; then
-    exit 2
-fi

tests/tests.yml

@@ -1,11 +0,0 @@
-- hosts: localhost
-  roles:
-  - role: standard-test-basic
-    tags:
-    - classic
-    tests:
-    - simple:
-        dir: scripts
-        run: ./run_tests.sh
-    required_packages:
-    - python3-ethtool