Method enqueue

tests/fl/channels/detail/validation/platform.hpp:18–18

    StubDriver(const char* name) : mName(fl::string::from_literal(name)) {}

    void enqueue(ChannelDataPtr) override {}
    void show() override {}
    DriverState poll() override { return DriverState::READY; }
    fl::string getName() const override { return mName; }