[iOS] Disable web test

Those tests are flaky on the noncq bot. They are passing on all the
other bots. They are only failing for one very specific configuration
so disabling them for that configuration.

Fixed: 1059496
Change-Id: I77c8764cd02077abd1eb9871a7a968c8ca988830
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2093437
Commit-Queue: Eugene But <eugenebut@chromium.org>
Reviewed-by: Eugene But <eugenebut@chromium.org>
Auto-Submit: Gauthier Ambard <gambard@chromium.org>
Cr-Commit-Position: refs/heads/master@{#749204}

ios/chrome/browser/web/navigation_egtest.mm

@@ -3,6 +3,7 @@
 // found in the LICENSE file.
 
 #include "base/bind.h"
+#include "base/ios/ios_util.h"
 #import "base/test/ios/wait_util.h"
 #include "components/strings/grit/components_strings.h"
 #import "ios/chrome/test/earl_grey/chrome_earl_grey.h"
@@ -583,6 +584,13 @@ std::unique_ptr<net::test_server::HttpResponse> WindowLocationHashHandlers(
 // Tests that navigating forward from NTP works when resuming from session
 // restore. This is a regression test for https://crbug.com/814790.
 - (void)testRestoreHistoryToNTPAndNavigateForward {
+#if TARGET_IPHONE_SIMULATOR
+  if (!base::ios::IsRunningOnIOS13OrLater() && ![ChromeEarlGrey isIPadIdiom]) {
+    // This test is failing on one bot for that very specific configuration. See
+    // https://crbug.com/1059496 for more info.
+    EARL_GREY_TEST_DISABLED(@"Failing on iPhone 12 simulator.");
+  }
+#endif
   GREYAssertTrue(self.testServer->Start(), @"Test server failed to start.");
   const GURL destinationURL = self.testServer->GetURL(kSimpleFileBasedTestURL);
   [ChromeEarlGrey loadURL:destinationURL];
@@ -603,6 +611,13 @@ std::unique_ptr<net::test_server::HttpResponse> WindowLocationHashHandlers(
 // Tests that restoring a placeholder URL is correctly restored.  This is a
 // regression test from http://crbug.com/1011758.
 - (void)testRestoreHistoryToPlaceholderURL {
+#if TARGET_IPHONE_SIMULATOR
+  if (!base::ios::IsRunningOnIOS13OrLater() && ![ChromeEarlGrey isIPadIdiom]) {
+    // This test is failing on one bot for that very specific configuration. See
+    // https://crbug.com/1059496 for more info.
+    EARL_GREY_TEST_DISABLED(@"Failing on iPhone 12 simulator.");
+  }
+#endif
   GREYAssertTrue(self.testServer->Start(), @"Test server failed to start.");
   const GURL destinationURL("chrome://crash");
   [ChromeEarlGrey loadURL:destinationURL];