Init QCoreApplication in tests

Author: adazem009

test/common.h

@@ -1,11 +1,13 @@
 #pragma once
 
+#include <QCoreApplication>
 #include <gtest/gtest.h>
 #include <filesystem>
 #include <fstream>
 
 int main(int argc, char **argv)
 {
+    QCoreApplication a(argc, argv);
     std::filesystem::current_path(DATA_DIR);
     ::testing::InitGoogleTest(&argc, argv);
     return RUN_ALL_TESTS();