@Test
    public void addDefaultHttpRequestRetryHandlerClass() {
        DefaultHttpRequestRetryHandler retryHandler = new DefaultHttpRequestRetryHandler();
        IOException iOException = new IOException();
        HttpContext context = new BasicHttpContext();

        assertTrue(retryHandler.retryRequest(iOException, 1, context));
        assertTrue(retryHandler.retryRequest(iOException, 2, context));
    }
@author minwoo.jung
@author jaehong.kim
agent-module/plugins/httpclient4/src/test/java/com/navercorp/pinpoint/plugin/httpclient4/HttpClient4PluginTest.java