@Test
public void testParseKeyValue() {

  HashMap<String, String> hashMap = new HashMap<>();
  hashMap.put("bar", "");
  hashMap.put("foo", "1");
  hashMap.put("baz", "3");
  assertEquals(Utils.parseKeyValue(null), new HashMap<>());
  assertEquals(Utils.parseKeyValue(
          new String[]{"foo=1", "bar", "baz=3"}), hashMap);
}