Disables testShowJavaScriptAfterNewTabAnimation on tablets.

ios/chrome/browser/ui/dialogs/javascript_dialog_egtest.mm

Index: ios/chrome/browser/ui/dialogs/javascript_dialog_egtest.mm
diff --git a/ios/chrome/browser/ui/dialogs/javascript_dialog_egtest.mm b/ios/chrome/browser/ui/dialogs/javascript_dialog_egtest.mm
index 5e81cc907b90a08b731187ed8af3b423289cceb7..2c7e0f421ca727a8ee935042249deaf85a96733b 100644
--- a/ios/chrome/browser/ui/dialogs/javascript_dialog_egtest.mm
+++ b/ios/chrome/browser/ui/dialogs/javascript_dialog_egtest.mm
@@ -555,6 +555,11 @@ void TapSuppressDialogsButton() {
                           @"correctly.");
 #endif
 
+  // TODO(crbug.com/711291): reenable this on tablets.
+  if (IsIPadIdiom()) {
+    EARL_GREY_TEST_DISABLED(@"Disabled for iPad.");
+  }
+
   // Load the test page with a link to kOnLoadAlertURL and long tap on the link.
   [self loadPageWithLink];
   id<GREYMatcher> webViewMatcher =