Backport smoke tests from Fedora

Related: RHEL-5354

.fmf/version

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+1

plans/smoke.fmf

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+summary: Basic smoke test
+discover:
+  how: shell
+  tests:
+    - name: /smoke/show-version
+      test: ant -version
+    - name: /smoke/show-diagnostics
+      test: ant -diagnostics
+    - name: /smoke/hello-world
+      test: ant -v -f plans/smoke.xml hello
+execute:
+  how: tmt

plans/smoke.xml

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+<project>
+  <target name="hello">
+    <echo message="Hello, world"/>
+  </target>
+</project>