private Map<String, String > withMap(String what) {
      Map<String, String> map = new HashMap<>();
      map.put(what + "Key1", "value1");
      map.put(what + "Key2", "value2");

      return map;
   }
Basic Unit Tests for {@link VolumeService}

 @author Tom Burton
 @version Dec 16, 2016
src/test/java/io/fabric8/maven/docker/service/VolumeServiceTest.java