@Test void merge(){ List<Map<String, Object>> params = Arrays.asList( named("a", 1), named("b",2), named("c", 3) ); List<Map<String, Object>> merged = Collections.singletonList( new HashMap<String, Object>() {{ put("a", 1); put("b", 2); put("c", 3); }} ); assertEquals(merged, SemanticUtils.merge(params)); }