Backfill CollectionInfo test

__tests__/src/components/CollectionInfo.test.js

+import React from 'react';
+import { shallow } from 'enzyme';
+import Button from '@material-ui/core/Button';
+import { CollectionInfo } from '../../../src/components/CollectionInfo';
+import CollapsibleSection from '../../../src/containers/CollapsibleSection';
+
+/** */
+function createWrapper(props) {
+  return shallow(
+    <CollectionInfo
+      id="test"
+      collectionPath={[1, 2]}
+      showCollectionDialog={() => {}}
+      {...props}
+    />,
+  );
+}
+
+describe('CollectionInfo', () => {
+  it('renders a collapsible section', () => {
+    const wrapper = createWrapper();
+    expect(wrapper.find(CollapsibleSection).length).toEqual(1);
+  });
+  it('without a collectionPath, renders nothing', () => {
+    const wrapper = createWrapper({ collectionPath: [] });
+    expect(wrapper.find(CollapsibleSection).length).toEqual(0);
+  });
+  it('clicking the button fires showCollectionDialog', () => {
+    const showCollectionDialog = jest.fn();
+    const wrapper = createWrapper({ showCollectionDialog });
+    expect(wrapper.find(Button).first().simulate('click'));
+    expect(showCollectionDialog).toHaveBeenCalled();
+  });
+});