Test Engine: fixed mismatched macro signature when disabled.
The macro was actually unused in our code if IMGUI_ENABLE_TEST_ENGINE is not defined, but can affect third-party code.
diff --git a/imgui_internal.h b/imgui_internal.h
index c2d8585..e65cbca 100644
--- a/imgui_internal.h
+++ b/imgui_internal.h
@@ -3921,7 +3921,7 @@
#define IMGUI_TEST_ENGINE_ITEM_INFO(_ID,_LABEL,_FLAGS) if (g.TestEngineHookItems) ImGuiTestEngineHook_ItemInfo(&g, _ID, _LABEL, _FLAGS) // Register item label and status flags (optional)
#define IMGUI_TEST_ENGINE_LOG(_FMT,...) ImGuiTestEngineHook_Log(&g, _FMT, __VA_ARGS__) // Custom log entry from user land into test log
#else
-#define IMGUI_TEST_ENGINE_ITEM_ADD(_BB,_ID) ((void)0)
+#define IMGUI_TEST_ENGINE_ITEM_ADD(_ID,_BB,_ITEM_DATA) ((void)0)
#define IMGUI_TEST_ENGINE_ITEM_INFO(_ID,_LABEL,_FLAGS) ((void)g)
#endif
