[iOS] Fixing Google services settings tests

Searching for UITableViewCell instead of UICollectionViewCell.

Bug: 918711
Change-Id: If93179ae630a8b6224836955931117fb18d166d7
Reviewed-on: https://chromium-review.googlesource.com/c/1394596
Commit-Queue: Jérôme Lebel <jlebel@chromium.org>
Reviewed-by: Gauthier Ambard <gambard@chromium.org>
Cr-Commit-Position: refs/heads/master@{#619932}

ios/chrome/browser/ui/settings/google_services_settings_egtest.mm

@@ -40,8 +40,7 @@ using chrome_test_util::SettingsDoneButton;
 @synthesize scrollViewMatcher = _scrollViewMatcher;
 
 // Opens the Google services settings view, and closes it.
-// TODO(crbug.com/918711): Tests failing.
-- (void)DISABLED_testOpenGoogleServicesSettings {
+- (void)testOpenGoogleServicesSettings {
   [self openGoogleServicesSettings];
 
   // Assert title and accessibility.
@@ -55,8 +54,7 @@ using chrome_test_util::SettingsDoneButton;
 }
 
 // Tests the Google Services settings.
-// TODO(crbug.com/918711): Tests failing.
-- (void)DISABLED_testOpeningServices {
+- (void)testOpeningServices {
   [self openGoogleServicesSettings];
   [self assertNonPersonalizedServices];
 }
@@ -90,7 +88,7 @@ using chrome_test_util::SettingsDoneButton;
                                    GetNSString(detailTextID)];
   }
   return grey_allOf(grey_accessibilityLabel(accessibilityLabel),
-                    grey_kindOfClass([UICollectionViewCell class]),
+                    grey_kindOfClass([UITableViewCell class]),
                     grey_sufficientlyVisible(), nil);
 }