diff --git a/aos/common/queue_testutils.h b/aos/common/queue_testutils.h
new file mode 100644
index 0000000..81f1efb
--- /dev/null
+++ b/aos/common/queue_testutils.h
@@ -0,0 +1,18 @@
+#include "aos/common/queue.h"
+
+namespace aos {
+namespace common {
+namespace testing {
+
+class GlobalCoreInstance {
+ public:
+  GlobalCoreInstance();
+  ~GlobalCoreInstance();
+
+ private:
+  struct aos_core global_core_data_;
+};
+
+}  // namespace testing
+}  // namespace common
+}  // namespace aos