PropagateDownload: Don't discard the body of error message

We want to keep the body so we can get the message from it
(Issue #6459)

TestDownload::testErrorMessage did not fail because the FakeErrorReply
did not emit readyRead and did not implement bytesAvailable.

1 files changed, 5 insertions, 0 deletions

diff --git a/test/syncenginetestutils.h b/test/syncenginetestutils.h
index 1a78add5b..3957479d6 100644
--- a/test/syncenginetestutils.h
+++ b/test/syncenginetestutils.h
@@ -728,6 +728,8 @@ public:
         setAttribute(QNetworkRequest::HttpStatusCodeAttribute, _httpErrorCode);
         setError(InternalServerError, "Internal Server Fake Error");
         emit metaDataChanged();
+        emit readyRead();
+        setFinished(true);
         emit finished();
     }
 
@@ -738,6 +740,9 @@ public:
         _body = _body.mid(max);
         return max;
     }
+    qint64 bytesAvailable() const override {
+        return _body.size();
+    }
 
     int _httpErrorCode;
     QByteArray _body;