Test filters context map & message builder (#4886)

tests/src/main.cpp

@@ -1,4 +1,5 @@
 #include "common/NetworkManager.hpp"
+#include "singletons/Resources.hpp"
 #include "singletons/Settings.hpp"
 
 #include <gtest/gtest.h>
@@ -24,6 +25,8 @@ int main(int argc, char **argv)
     // make sure to always debug-log
     QLoggingCategory::setFilterRules("*.debug=true");
 
+    initResources();
+
     chatterino::NetworkManager::init();
 
     // Ensure settings are initialized before any tests are run