Description: Fix unit test tst_QContactManager::compareVariant_data
Author: Mike Gabriel <mike.gabriel@das-netzwerkteam.de>
Comment:
 This partially reverts upstream commit
 55287ea79625092ca7638fdb028a9c1f03ffd7ca.
 .
 This patch was not necessary with Qt 5.12, but is so with Qt 5.14.

--- a/tests/auto/contacts/qcontactmanager/tst_qcontactmanager.cpp
+++ b/tests/auto/contacts/qcontactmanager/tst_qcontactmanager.cpp
@@ -3509,9 +3509,7 @@
     QDateTime dt4(d5, t1);
     QDateTime dt5(d6, t4); // end of the universe
 
-    // Note: this test used to verify that null QDateTime compared less than a non-null date prior to 1AD
-    // The current Qt behavior is to compare null as the UNIX epoch, so we will follow that
-    QTest::newRow("datetimes dt0 > dt1") << QVariant(dt0) << QVariant(dt1) << Qt::CaseInsensitive << 1;
+    QTest::newRow("datetimes dt0 < dt1") << QVariant(dt0) << QVariant(dt1) << Qt::CaseInsensitive << -1;
     QTest::newRow("datetimes dt1 < dt2") << QVariant(dt1) << QVariant(dt2) << Qt::CaseInsensitive << -1;
     QTest::newRow("datetimes dt2 < dt3") << QVariant(dt2) << QVariant(dt3) << Qt::CaseInsensitive << -1;
     QTest::newRow("datetimes dt3 < dt4") << QVariant(dt3) << QVariant(dt4) << Qt::CaseInsensitive << -1;