Port away from deprecated methods since Qt 5.14

autotests/bihash/benchmarks.cpp

@@ -97,7 +97,7 @@ class BiHashBenchmarks : public QObject
 public:
     BiHashBenchmarks(QObject *parent = 0)
     {
-        qsrand(QDateTime::currentDateTime().toTime_t());
+        qsrand(QDateTime::currentDateTime().toSecsSinceEpoch());
     }
 
 private:

autotests/proxymodeltestsuite/modeltest.cpp

@@ -464,12 +464,12 @@ void ModelTest::data()
     }
 
     // General Purpose roles that should return a QColor
-    QVariant colorVariant = model->data ( model->index ( 0, 0 ), Qt::BackgroundColorRole );
+    QVariant colorVariant = model->data ( model->index ( 0, 0 ), Qt::BackgroundRole );
     if ( colorVariant.isValid() ) {
         QVERIFY( colorVariant.canConvert<QColor>() );
     }
 
-    colorVariant = model->data ( model->index ( 0, 0 ), Qt::TextColorRole );
+    colorVariant = model->data ( model->index ( 0, 0 ), Qt::ForegroundRole );
     if ( colorVariant.isValid() ) {
         QVERIFY( colorVariant.canConvert<QColor>() );
     }