protected List<HeaderValue> parseHeaderValue(String headerValue) {
        return parseHeaderValue(headerValue, HEADER_VALUE_SEPARATOR, HEADER_QUALIFIER_SEPARATOR);
    }
@Test
    void headers_parseHeaderValue_headerWithPaddingButNotBase64Encoded() {
        AwsHttpServletRequest context = new AwsProxyHttpServletRequest(null, null, null);

        List<AwsHttpServletRequest.HeaderValue> result = context.parseHeaderValue("hello=");
        assertTrue(result.size() > 0);
        assertEquals("hello", result.get(0).getKey());
        assertNull(result.get(0).getValue());
    }