--- a/browser/components/preferences/in-content/tests/browser_engines.js
+++ b/browser/components/preferences/in-content/tests/browser_engines.js
@@ -16,12 +16,11 @@ add_task(async function() {
   }
 
   // Avoid duplicated keywords
   tree.view.setCellText(0,tree.columns.getNamedColumn('engineKeyword'), 'keyword');
   tree.view.setCellText(1,tree.columns.getNamedColumn('engineKeyword'), 'keyword');
   let cellKeyword = tree.view.getCellText(1,tree.columns.getNamedColumn('engineKeyword'));
   isnot(cellKeyword, 'keyword', 'Do not allow duplicated keywords');
 
-
   await BrowserTestUtils.removeTab(gBrowser.selectedTab);
 });