@Test
public void whenHeaderRetryAfterIsDecimalThenParsingIsStillFine() {

    // Given a retry_after header that contains a decimal value
    Header header = new Header(HeaderConstants.HEADER_RETRY_AFTER, "2.1");
    // Given a response
    Response response = new Response(new Request());
    // When I copy the retry_after header to the response
    HeaderUtils.copyResponseTransportHeaders(new Series<>(Header.class, Collections.singletonList(header)), response);
    // Then the response contains a valid value for the retry_after header
    assertNotNull(response.getRetryAfter());
}