ios: Speculative deflake for testLinkWithBlankTargetWithDelayedClose.

If EarlGrey takes too long to detect a waiting state after
tapWebStateElementWithID the second tab may have already closed.

Increase the delay to close the tab, and to wait in the test.

Bug: 1121505
Change-Id: Ib92ad4342244d95db4a888898cb7564b987fda45
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2375727Reviewed-by: Rohit Rao <rohitrao@chromium.org>
Reviewed-by: Justin Cohen <justincohen@chromium.org>
Commit-Queue: Justin Cohen <justincohen@chromium.org>
Cr-Commit-Position: refs/heads/master@{#801510}

ios/chrome/browser/web/window_open_by_dom_egtest.mm

@@ -204,7 +204,7 @@ id<GREYMatcher> PopupBlocker() {
   [ChromeEarlGrey
       tapWebStateElementWithID:@"webScenarioWindowOpenWithDelayedClose"];
   [ChromeEarlGrey waitForMainTabCount:2];
-  base::test::ios::SpinRunLoopWithMinDelay(base::TimeDelta::FromSecondsD(1));
+  base::test::ios::SpinRunLoopWithMinDelay(base::TimeDelta::FromSecondsD(5));
   [ChromeEarlGrey waitForMainTabCount:1];
 }
 

ios/testing/data/http_server_files/window_open.html

@@ -218,7 +218,7 @@ found in the LICENSE file. -->
 
   <tr id="_webScenarioWindowOpenWithDelayedClose">
     <td>
-      <a href="window_close.html#2"
+      <a href="window_close.html#5"
          target="_blank"
          name="webScenarioWindowOpenWithDelayedClose"
          id="webScenarioWindowOpenWithDelayedClose">