Merge pull request #9290 from jtpio/apputils-tests

Fix command palette blur test in apputils

packages/apputils/test/commandpalette.spec.ts

@@ -75,11 +75,11 @@ describe('@jupyterlab/apputils', () => {
       });
     });
 
-    describe('#blur()', () => {
-      it('should hide and reset when blurred', () => {
+    describe('#focus()', () => {
+      it('should hide and reset when focus is shifted', () => {
         MessageLoop.sendMessage(modalPalette, Widget.Msg.ActivateRequest);
         palette.inputNode.value = 'Search string...';
-        simulate(modalPalette.node, 'blur');
+        simulate(document.body, 'focus');
         expect(modalPalette.isVisible).toBe(false);
         expect(palette.inputNode.value).toEqual('');
       });