Add initial ansible_test_unit macro

macros.ansible

@@ -2,4 +2,11 @@
 
 %ansible_collection_install() ansible-galaxy collection install -n -p %{buildroot}%{_datadir}/ansible/collections %{collection_namespace}-%{collection_name}-%{version}.tar.gz
 
+%ansible_test_unit %{expand:\\\
+mkdir -p ../ansible_collections/%{collection_namespace}
+cp -a $(pwd) ../ansible_collections/%{collection_namespace}/%{collection_name}
+pushd ../ansible_collections/%{collection_namespace}/%{collection_name}
+ansible-test units --python-interpreter %{__python3} --local
+popd}
+
 %ansible_collection_files %{_datadir}/ansible/collections/ansible_collections/%{collection_namespace}/