* Don't show "context" for classes without either contextType or contextTypes
* For classes with contextTypes, change the label to "legacy context" instead

---
Originally reported by @gaearon via https://github.com/bvaughn/react-devtools-experimental/issues/368
a: [{hello: 'there'}, 'fixed', true],
      b: 123,
      c: {
        '1': 'xyz',
        xyz: 1,
      },
    });
    const container = document.createElement('div');
    await utils.actAsync(() =>
      ReactDOM.render(
        <Example
          array_buffer={typedArray.buffer}
          date={new Date()}
          fn={exampleFunction}
          html_element={div}
          immutable={immutableMap}
          map={mapShallow}
          map_of_maps={mapOfMaps}
          react_element={<span />}
          set={setShallow}
          set_of_sets={setOfSets}
          symbol={Symbol('symbol')}
          typed_array={typedArray}
        />,
        container,
      ),
    );
    const id = ((store.getElementIDAtIndex(0): any): number);
    let inspectedElement = null;
    function Suspender({target}) {