Reenable RL tests for slim-nav

They should be fixed by
https://chromium-review.googlesource.com/c/chromium/src/+/1524264
and
https://chromium-review.googlesource.com/c/chromium/src/+/1524263

Bug: 942025
Change-Id: Ibccdf59e103825ddcfb41751629b8017ea9b7fe9
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1526183Reviewed-by: Justin Cohen <justincohen@chromium.org>
Commit-Queue: Olivier Robin <olivierrobin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#641837}

ios/chrome/browser/ui/reading_list/reading_list_egtest.mm

@@ -524,7 +524,7 @@ void AssertIsShowingDistillablePage(bool online, const GURL& distillable_url) {
 // Tests that sharing a web page to the Reading List results in a snackbar
 // appearing, and that the Reading List entry is present in the Reading List.
 // Loads offline version via context menu.
-- (void)DISABLED_testSavingToReadingListAndLoadDistilled {
+- (void)testSavingToReadingListAndLoadDistilled {
   auto network_change_disabler =
       std::make_unique<net::NetworkChangeNotifier::DisableForTest>();
   auto wifi_network = std::make_unique<WifiNetworkChangeNotifier>();
@@ -606,7 +606,7 @@ void AssertIsShowingDistillablePage(bool online, const GURL& distillable_url) {
 // Tests that sharing a web page to the Reading List results in a snackbar
 // appearing, and that the Reading List entry is present in the Reading List.
 // Loads offline version by tapping on entry without web server.
-- (void)DISABLED_testSavingToReadingListAndLoadNoNetwork {
+- (void)testSavingToReadingListAndLoadNoNetwork {
   auto network_change_disabler =
       std::make_unique<net::NetworkChangeNotifier::DisableForTest>();
   auto wifi_network = std::make_unique<WifiNetworkChangeNotifier>();
@@ -653,7 +653,7 @@ void AssertIsShowingDistillablePage(bool online, const GURL& distillable_url) {
 // Tests that sharing a web page to the Reading List results in a snackbar
 // appearing, and that the Reading List entry is present in the Reading List.
 // Loads offline version by tapping on entry with delayed web server.
-- (void)DISABLED_testSavingToReadingListAndLoadBadNetwork {
+- (void)testSavingToReadingListAndLoadBadNetwork {
   auto network_change_disabler =
       std::make_unique<net::NetworkChangeNotifier::DisableForTest>();
   auto wifi_network = std::make_unique<WifiNetworkChangeNotifier>();