Function provider

nodejs/test/telemetry.test.ts:19–22

()

        it("calls provider and returns trace context", async () => {
            const provider: TraceContextProvider = () => ({
                traceparent: "00-4bf92f3577b34da6a3ce929d0e0e4736-00f067aa0ba902b7-01",
                tracestate: "congo=t61rcWkgMzE",
            });
            const ctx = await getTraceContext(provider);
            expect(ctx).toEqual({
                traceparent: "00-4bf92f3577b34da6a3ce929d0e0e4736-00f067aa0ba902b7-01",