We create many `useDebugValue` helpers, loggers and so one now, so we can feel less pain.

What matter (**Updated**)
- previewing complex values brifely like chrome devtools does it for arrays, sets, maps, objects,,,

I [wrote related twit](https://twitter.com/mxtnr/status/1178271362890240001) recently with one of my DebugValue helpers. screenshot out here:
<img width="556" alt="Screenshot 2019-09-29 at 14 01 53" src="https://user-images.githubusercontent.com/6201068/66700775-5648bf80-ecfd-11e9-93fe-089d451bcffa.png">
_my named hooks currently require a `label` option unless react babel cannot transform name of variable automatically_
TestRenderer.create(
          <Contexts
            defaultSelectedElementID={id}
            defaultSelectedElementIndex={0}>
            <React.Suspense fallback={null}>
              <Suspender target={id} />
            </React.Suspense>
          </Contexts>,
        ),
      false,
    );
    expect(getInspectedElementPath).not.toBeNull();
    expect(inspectedElement).not.toBeNull();
    expect(inspectedElement).toMatchSnapshot('1: Initially inspect element');
    inspectedElement = null;
    TestUtils.act(() => {
      TestRenderer.act(() => {
        getInspectedElementPath(id, ['props', 'nestedObject', 'a']);
        jest.runOnlyPendingTimers();
      });
    });
    expect(inspectedElement).not.toBeNull();
    expect(inspectedElement).toMatchSnapshot('2: Inspect props.nestedObject.a');
    inspectedElement = null;
    TestUtils.act(() => {
      TestRenderer.act(() => {
        getInspectedElementPath(id, ['props', 'nestedObject', 'a', 'b', 'c']);
        jest.runOnlyPendingTimers();
      });
    });