diff --git a/src/renderers/dom/client/__tests__/ReactInputSelection-test.js b/src/renderers/dom/client/__tests__/ReactInputSelection-test.js
index 5e6e7582731de..02874a3e304de 100644
--- a/src/renderers/dom/client/__tests__/ReactInputSelection-test.js
+++ b/src/renderers/dom/client/__tests__/ReactInputSelection-test.js
@@ -156,7 +156,7 @@ describe('ReactInputSelection', () => {
 
   describe('getSelectionInformation/restoreSelection', () => {
     it('gets and restores selection for inputs that get remounted', () => {
-      // Stub out window getSelection
+      // Mock window getSelection
       window.getSelection =
           window.getSelection || makeGetSelection(window);
       var input = document.createElement('input');
@@ -189,13 +189,12 @@ describe('ReactInputSelection', () => {
       iframe.setAttribute('tabIndex', 0);
       document.body.appendChild(iframe);
       var iframeDoc = iframe.contentDocument;
-      // Stub out window and iframe getSelection
+      // Mock window and iframe getSelection
       window.getSelection =
           window.getSelection || makeGetSelection(window);
       iframeDoc.defaultView.getSelection =
           iframeDoc.defaultView.getSelection || makeGetSelection(iframeDoc.defaultView);
 
-      iframe.focus();
       var input = document.createElement('input');
       input.value = textValue;
       iframeDoc.body.appendChild(input);