diff --git a/httpclient5-testing/src/test/java/org/apache/hc/client5/testing/sync/TestSSLSocketFactory.java b/httpclient5-testing/src/test/java/org/apache/hc/client5/testing/sync/TestSSLSocketFactory.java
index a83ad5420..bfc4b6757 100644
--- a/httpclient5-testing/src/test/java/org/apache/hc/client5/testing/sync/TestSSLSocketFactory.java
+++ b/httpclient5-testing/src/test/java/org/apache/hc/client5/testing/sync/TestSSLSocketFactory.java
@@ -219,6 +219,7 @@ public class TestSSLSocketFactory {
 
                 Assert.assertNotNull(sslsession);
                 Assert.assertTrue(hostVerifier.isFired());
+                sslSocket.getInputStream().read();
             }
         }
     }