More jest snapshots; one test assertion update

Author: chandlerprall

src/core/public/chrome/ui/header/__snapshots__/header.test.tsx.snap

@@ -160,7 +160,7 @@ describe('StepAboutRuleToggleDetails', () => {
         .simulate('change', { target: { value: 'notes' } });
 
       expect(wrapper.find('EuiButtonGroup[idSelected="notes"]').exists()).toBeTruthy();
-      expect(wrapper.find('.euiMarkdownFormat').text()).toEqual(
+      expect(wrapper.find('div.euiMarkdownFormat').text()).toEqual(
         'this is some markdown documentation'
       );
     });