feat: Add some save data tests (#1623)

* saving from a test works

* testing works

* Update SavingTests.cpp

* test dServer stuff

* tests

* use dummy database and add missing pure fns

* add more tests

* add more tests

* add rocket tests

* Update BuffComponent.h

* Update test_xml_data.xml

* Update SavingTests.cpp

* update

dDatabase/GameDatabase/Database.h

@@ -9,4 +9,8 @@ namespace Database {
 	void Connect();
 	GameDatabase* Get();
 	void Destroy(std::string source = "");
+
+	// Used for assigning a test database as the handler for database logic.
+	// Do not use in production code.
+	void _setDatabase(GameDatabase* const db);
 };