attempting to set `context` with Providers

enzyme-context.js

test('monkey-patches `theme` into user defined context', () => {
  const Child = glamorous.div((props, context) => ({
    fontSize: context.theme.fontSize,
    color: context.userTheme.color,
  }))
  Child.contextTypes = {
    userTheme: PropTypes.object,
  }

  const context = {
    userTheme: {
      color: 'blue',
    },
  }

  expect(
    render(
      <ThemeProvider theme={{fontSize: 36}}>
        <Child />
      </ThemeProvider>,
      {context},
    ),
  ).toMatchSnapshotWithGlamor()
})

error.md

  ● monkey-patches `theme` into user defined context

    Invariant Violation: ContextWrapper.getChildContext(): key "userTheme" is not defined in childContextTypes.
      
      at invariant (node_modules/fbjs/lib/invariant.js:44:15)
      at ReactCompositeComponentWrapper._processChildContext (node_modules/react-dom/lib/ReactCompositeComponent.js:520:90)
      at ReactCompositeComponentWrapper.performInitialMount (node_modules/react-dom/lib/ReactCompositeComponent.js:371:105)
      at ReactCompositeComponentWrapper.mountComponent (node_modules/react-dom/lib/ReactCompositeComponent.js:258:21)
      at Object.mountComponent (node_modules/react-dom/lib/ReactReconciler.js:46:35)
      at node_modules/react-dom/lib/ReactServerRendering.js:45:36
      at ReactServerRenderingTransaction.perform (node_modules/react-dom/lib/Transaction.js:140:20)
      at renderToStringImpl (node_modules/react-dom/lib/ReactServerRendering.js:43:24)
      at renderToStaticMarkup (node_modules/react-dom/lib/ReactServerRendering.js:83:10)
      at render (node_modules/enzyme/build/render.js:88:55)
      at Object.<anonymous> (src/__tests__/theme-provider.js:152:22)
      at Promise.resolve.then.el (node_modules/p-map/index.js:42:16)
      at process._tickCallback (internal/process/next_tick.js:109:7)