[iOS][MF] Test Use Other Password

Integration test for other password in Manual Fallback. Should fail
before the fix (crrev.com/c/1784614) is merged.

Bug: 997632
Change-Id: I1c9ea719c85e8ba56fe3a6ca50a1d600e8ad2f26
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1783446Reviewed-by: Mark Cogan <marq@chromium.org>
Commit-Queue: Javier Ernesto Flores Robles <javierrobles@chromium.org>
Cr-Commit-Position: refs/heads/master@{#694250}

ios/chrome/browser/ui/autofill/manual_fill/password_view_controller_egtest.mm

@@ -303,6 +303,25 @@ BOOL WaitForJavaScriptCondition(NSString* java_script_condition) {
       assertWithMatcher:grey_sufficientlyVisible()];
 }
 
+// Tests that the "Use Other Password..." action works.
+- (void)testUseOtherPasswordActionOpens {
+  // Bring up the keyboard.
+  [[EarlGrey selectElementWithMatcher:chrome_test_util::WebViewMatcher()]
+      performAction:chrome_test_util::TapWebElement(kFormElementUsername)];
+
+  // Tap on the passwords icon.
+  [[EarlGrey selectElementWithMatcher:PasswordIconMatcher()]
+      performAction:grey_tap()];
+
+  // Tap the "Manage Passwords..." action.
+  [[EarlGrey selectElementWithMatcher:OtherPasswordsMatcher()]
+      performAction:grey_tap()];
+
+  // Verify the use other passwords opened.
+  [[EarlGrey selectElementWithMatcher:OtherPasswordsDismissMatcher()]
+      assertWithMatcher:grey_sufficientlyVisible()];
+}
+
 // Tests that the Password View Controller is not present when presenting UI.
 - (void)testPasswordControllerPauses {
   // Bring up the keyboard.