Stabilize smoke_egtest by fixing testTabOpeningAndClosing.

Bug: 922813
Change-Id: I93ac2d5becdbc2a7109a67051e0cad46eb675adc
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1625861
Reviewed-by: Rohit Rao <rohitrao@chromium.org>
Commit-Queue: Rohit Rao <rohitrao@chromium.org>
Cr-Commit-Position: refs/heads/master@{#662474}
diff --git a/ios/chrome/test/earl_grey2/smoke_egtest.mm b/ios/chrome/test/earl_grey2/smoke_egtest.mm
index e770e38..16c6d0d 100644
--- a/ios/chrome/test/earl_grey2/smoke_egtest.mm
+++ b/ios/chrome/test/earl_grey2/smoke_egtest.mm
@@ -122,6 +122,7 @@
   [ChromeEarlGrey openNewTab];
   [ChromeEarlGrey closeAllTabsInCurrentMode];
   [ChromeEarlGrey closeAllIncognitoTabs];
+  [ChromeEarlGrey openNewTab];
 }
 
 @end