[ios] Add EG test for 3-dot menu enterprise info item

Bug: 1113353
Change-Id: Ib14715fd050517e6099b0532bb31b829065a8951
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2416938Reviewed-by: Mike Dougherty <michaeldo@chromium.org>
Commit-Queue: Tina Wang <tinazwang@chromium.org>
Cr-Commit-Position: refs/heads/master@{#808530}

ios/chrome/browser/policy/policy_egtest.mm

@@ -232,4 +232,21 @@ id<GREYMatcher> ToolsMenuTranslateButton() {
   SetPolicy(true, policy::key::kTranslateEnabled);
 }
 
+// Test whether the managed item will be shown if a policy is set.
+- (void)testPopupMenuItem {
+  // Setup a machine level policy.
+  SetPolicy(false, policy::key::kTranslateEnabled);
+
+  // Open the menu and click on the item.
+  [ChromeEarlGreyUI openToolsMenu];
+  [ChromeEarlGreyUI
+      tapToolsMenuButton:grey_accessibilityID(kTextMenuEnterpriseInfo)];
+  [ChromeEarlGrey waitForPageToFinishLoading];
+
+  // Check the navigation.
+  [[EarlGrey selectElementWithMatcher:chrome_test_util::OmniboxText(
+                                          "chrome://management")]
+      assertWithMatcher:grey_notNil()];
+}
+
 @end