Merge branch 'style-refinements' of https://github.com/cameronoelsen/jupyterlab into style-refinements

test/src/apputils/jsoneditor.spec.ts

@@ -393,7 +393,7 @@ describe('apputils', () => {
         simulate(editor.editorHostNode, 'blur');
         simulate(editor.revertButtonNode, 'click');
         simulate(editor.commitButtonNode, 'click');
-        expect(editor.events).to.eql(['blur', 'click', 'click']);
+        expect(editor.events).to.eql(['focus', 'blur', 'click', 'click']);
       });
 
     });