public static void initRequestHeader(HttpRequestBase requestBase, Header header) {
        Iterator<Map.Entry<String, String>> iterator = header.iterator();
        while (iterator.hasNext()) {
            Map.Entry<String, String> entry = iterator.next();
            requestBase.setHeader(entry.getKey(), entry.getValue());
        }
    }
@Test
    void testInitRequestHeader() {
        BaseHttpMethod.HttpGetWithEntity httpRequest = new BaseHttpMethod.HttpGetWithEntity("");
        Header header = Header.newInstance();
        header.addParam("k", "v");
        
        HttpUtils.initRequestHeader(httpRequest, header);
        
        org.apache.http.Header[] headers = httpRequest.getHeaders("k");
        assertEquals(1, headers.length);
        assertEquals("k", headers[0].getName());
        assertEquals("v", headers[0].getValue());
    }