SyncEngineTest: Fix test reliability

There was a rounding issue in the mtimes which sometimes resulted in an
off-by-one error. Caused by storing a full QDateTime in the FileInfo but
the mtime saved to the disk being truncated to seconds.

1 files changed, 10 insertions, 3 deletions

diff --git a/test/testsyncengine.cpp b/test/testsyncengine.cpp
index 1a9ac42d1..8835bd575 100644
--- a/test/testsyncengine.cpp
+++ b/test/testsyncengine.cpp
@@ -392,9 +392,7 @@ private slots:
      */
     void testSyncFileItemProperties()
     {
-        FakeFolder fakeFolder{ FileInfo::A12_B12_C12_S12() };
-
-        auto initialMtime = fakeFolder.currentLocalState().find("A/a1")->lastModified;
+        auto initialMtime = QDateTime::currentDateTime().addDays(-7);
         auto changedMtime = QDateTime::currentDateTime().addDays(-4);
         auto changedMtime2 = QDateTime::currentDateTime().addDays(-3);
 
@@ -403,6 +401,15 @@ private slots:
         changedMtime.setMSecsSinceEpoch(changedMtime.toMSecsSinceEpoch() / 1000 * 1000);
         changedMtime2.setMSecsSinceEpoch(changedMtime2.toMSecsSinceEpoch() / 1000 * 1000);
 
+        // Ensure the initial mtimes are as expected
+        auto initialFileInfo = FileInfo::A12_B12_C12_S12();
+        initialFileInfo.setModTime("A/a1", initialMtime);
+        initialFileInfo.setModTime("B/b1", initialMtime);
+        initialFileInfo.setModTime("C/c1", initialMtime);
+
+        FakeFolder fakeFolder{ initialFileInfo };
+
+
         // upload a
         fakeFolder.localModifier().appendByte("A/a1");
         fakeFolder.localModifier().setModTime("A/a1", changedMtime);