@Test
void encode() {

    var builder = new StringBuilder();
    Map<String, String> params = new LinkedHashMap<>();
    params.put("key1", "value1");
    params.put("key2", "value2");
    HTTPRequestHelper.urlEncoding(builder, params);
    assertThat(builder.toString()).isEqualTo("key1=value1&key2=value2");
}