diff --git a/test/testutils/syncenginetestutils.cpp b/test/testutils/syncenginetestutils.cpp
index cec398e2bde..e77b1d1958a 100644
--- a/test/testutils/syncenginetestutils.cpp
+++ b/test/testutils/syncenginetestutils.cpp
@@ -12,6 +12,7 @@
 #include "gui/accountmanager.h"
 #include "httplogger.h"
 #include "libsync/configfile.h"
+#include "libsync/syncresult.h"
 
 #include <thread>
 
@@ -132,6 +133,9 @@ bool DiskFileModifier::applyModifications()
         std::this_thread::sleep_for(50ms);
         QThread::currentThread()->eventDispatcher()->processEvents(QEventLoop::AllEvents);
     } while (!helper.finished);
+    if (!helper.succeeded) {
+        qWarning() << Q_FUNC_INFO << "failed";
+    }
     return helper.succeeded;
 }
 
@@ -1169,6 +1173,31 @@ FileInfo FakeFolder::dbState() const
     return result;
 }
 
+bool FakeFolder::execUntilFinished()
+{
+    QSignalSpy spy(_syncEngine.get(), &OCC::SyncEngine::finished);
+    bool ok = spy.wait(3600000);
+    Q_ASSERT(ok && "Sync timed out");
+    return spy[0][0].toBool();
+}
+
+bool FakeFolder::syncOnce()
+{
+    QObject connectScope;
+    QList<QPair<QString, OCC::ErrorCategory>> errors;
+    connect(_syncEngine.get(), &OCC::SyncEngine::syncError, &connectScope,
+        [&errors](const QString &message, OCC::ErrorCategory category) { errors << qMakePair(message, category); });
+    OCC::SyncResult result;
+    connect(
+        _syncEngine.get(), &OCC::SyncEngine::itemCompleted, &connectScope, [&result](const OCC::SyncFileItemPtr &item) { result.processCompletedItem(item); });
+    scheduleSync();
+    const bool ok = execUntilFinished();
+    if (!ok) {
+        qWarning() << Q_FUNC_INFO << "failed. Errors:" << errors << "Another sync needed:" << _syncEngine->isAnotherSyncNeeded() << result.errorStrings();
+    }
+    return ok;
+}
+
 OCC::SyncFileItemPtr ItemCompletedSpy::findItem(const QString &path) const
 {
     for (const QList<QVariant> &args : *this) {
diff --git a/test/testutils/syncenginetestutils.h b/test/testutils/syncenginetestutils.h
index 9e8c41ff278..fbcd80a51fe 100644
--- a/test/testutils/syncenginetestutils.h
+++ b/test/testutils/syncenginetestutils.h
@@ -610,19 +610,9 @@ class FakeFolder : public QObject
 
     void execUntilItemCompleted(const QString &relativePath);
 
-    bool execUntilFinished()
-    {
-        QSignalSpy spy(_syncEngine.get(), &OCC::SyncEngine::finished);
-        bool ok = spy.wait(3600000);
-        Q_ASSERT(ok && "Sync timed out");
-        return spy[0][0].toBool();
-    }
+    bool execUntilFinished();
 
-    bool syncOnce()
-    {
-        scheduleSync();
-        return execUntilFinished();
-    }
+    bool syncOnce();
 
     Q_REQUIRED_RESULT bool applyLocalModificationsAndSync()
     {