diff --git a/test/helper.hpp b/test/helper.hpp
new file mode 100644
index 0000000..8d33f5c
--- /dev/null
+++ b/test/helper.hpp
@@ -0,0 +1,15 @@
+#include <ipmid/api-types.hpp>
+#include <optional>
+#include <span>
+#include <tuple>
+#include <utility>
+#include <vector>
+
+#include <gtest/gtest.h>
+
+namespace blobs
+{
+std::vector<std::uint8_t>
+    validateReply(ipmi::RspType<std::vector<uint8_t>> reply,
+                  bool hasData = true);
+} // namespace blobs