chore: parse includes and assetlists while parsing zone definition

test/ObjCommonTestUtils/SearchPath/MockSearchPath.cpp

@@ -0,0 +1,26 @@
+#include "MockSearchPath.h"
+
+#include <sstream>
+
+void MockSearchPath::AddFileData(std::string fileName, std::string fileData)
+{
+    m_file_data_map.emplace(std::make_pair(std::move(fileName), std::move(fileData)));
+}
+
+SearchPathOpenFile MockSearchPath::Open(const std::string& fileName)
+{
+    const auto foundFileData = m_file_data_map.find(fileName);
+
+    if (foundFileData == m_file_data_map.end())
+        return {};
+
+    return {std::make_unique<std::istringstream>(foundFileData->second), foundFileData->second.size()};
+}
+
+const std::string& MockSearchPath::GetPath()
+{
+    const static std::string NAME = "MockFiles";
+    return NAME;
+}
+
+void MockSearchPath::Find(const SearchPathSearchOptions& options, const std::function<void(const std::string&)>& callback) {}