[ios] Disables OmniboxPopupTestCase.testMultiplePageOpened.

This test fails on smaller form factors because the test is looking for
results that are no longer visible on screen after ranking changes
bumped them down in the results list.

BUG=1025199

Change-Id: I41df71ccaee252f9cc80e3c47b6884adeeb8cb61
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1918266
Commit-Queue: Rohit Rao <rohitrao@chromium.org>
Commit-Queue: Olivier Robin <olivierrobin@chromium.org>
Auto-Submit: Rohit Rao <rohitrao@chromium.org>
Reviewed-by: Olivier Robin <olivierrobin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#715667}

ios/chrome/browser/ui/omnibox/popup/omnibox_popup_egtest.mm

@@ -316,7 +316,9 @@ std::unique_ptr<net::test_server::HttpResponse> StandardResponse(
 
 // Tests that having multiple suggestions with corresponding opened tabs display
 // multiple buttons.
-- (void)testMultiplePageOpened {
+// TODO(crbug.com/1025199): On smaller form factors, only one of the two "Switch
+// to tab" rows fits on screen, so this test fails.
+- (void)DISABLED_testMultiplePageOpened {
   // Open the first page.
   GURL URL1 = self.testServer->GetURL(kPage1URL);
   [ChromeEarlGrey loadURL:URL1];