Function set_runner_backend

tests/unittests/test_encoder_modules.cpp:219–226

}

void set_runner_backend(ModuleRunner & runner, engine::core::BackendType type) {
    runner.backend_config.type = type;
    if (runner.backend != nullptr) {
        ggml_backend_free(runner.backend);
        runner.backend = nullptr;
    }
    runner.backend = engine::core::init_backend(runner.backend_config);
}

void test_graph_optimizer_elides_metadata_nodes_without_changing_output() {
    CpuModuleRunner runner;