I don't have capture support enabled and getting this:
/home/mgerhardy/dev/oss/engine/src/modules/ui/dearimgui/imgui_test_engine/imgui_te_context.cpp:690:13: warning: ‘bool ImGuiTestContext_CanCaptureScreenshot(ImGuiTestContext*)’ defined but not used [-Wunused-function]
690 | static bool ImGuiTestContext_CanCaptureScreenshot(ImGuiTestContext* ctx)
I don't have capture support enabled and getting this: