incremental
diff --git a/include/test_utils.hpp b/include/test_utils.hpp
new file mode 100644
index 0000000..eb990d5
--- /dev/null
+++ b/include/test_utils.hpp
@@ -0,0 +1,6 @@
+#pragma once
+
+#include <string>
+
+bool gzipInflate(const std::string& compressedBytes,
+                 std::string& uncompressedBytes);
\ No newline at end of file