tests: better test initializing allowing for better printing (#5379)

Co-authored-by: Nerixyz <nerixdev@outlook.de>

tests/src/NetworkRequest.cpp

@@ -2,8 +2,8 @@
 
 #include "common/network/NetworkManager.hpp"
 #include "common/network/NetworkResult.hpp"
+#include "Test.hpp"
 
-#include <gtest/gtest.h>
 #include <QCoreApplication>
 
 using namespace chatterino;