Add ant smoke tests without antunit-tests

Related: RHEL-62405

plans/smoke.fmf

@@ -1,15 +1,9 @@
-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
-    - name: /smoke/openjdk-version
-      test: 'ant -diagnostics | grep "java.runtime.version : ${OPENJDK_VERSION}"'
+  how: fmf
+  # FIXME
+  # url: https://src.fedoraproject.org/tests/ant
+  url: https://src.fedoraproject.org/forks/mkoncek/tests/ant
+
 execute:
   how: tmt
 

plans/smoke.xml

@@ -1,5 +0,0 @@
-<project>
-  <target name="hello">
-    <echo message="Hello, world"/>
-  </target>
-</project>