Add another unittest for configuring sign-in dependency.

components/ntp_snippets/remote/remote_suggestions_status_service.h

Index: components/ntp_snippets/remote/remote_suggestions_status_service.h
diff --git a/components/ntp_snippets/remote/remote_suggestions_status_service.h b/components/ntp_snippets/remote/remote_suggestions_status_service.h
index 5e21cd4e73f7e8f17ffc34feed37059cff4d9c2a..e0542bb45e2536e8a6868795c77189b189bbe876 100644
--- a/components/ntp_snippets/remote/remote_suggestions_status_service.h
+++ b/components/ntp_snippets/remote/remote_suggestions_status_service.h
@@ -52,6 +52,11 @@ class RemoteSuggestionsStatusService {
   void OnSignInStateChanged();
 
  private:
+  // TODO(jkrcal): Rewrite the tests using the public API - observing status
+  // changes instead of calling private GetStatusFromDeps() directly.
+  FRIEND_TEST_ALL_PREFIXES(RemoteSuggestionsStatusServiceTest,
+                           SigninNeededIfSpecifiedByParam);
+  FRIEND_TEST_ALL_PREFIXES(RemoteSuggestionsStatusServiceTest, NoSigninNeeded);
   FRIEND_TEST_ALL_PREFIXES(RemoteSuggestionsStatusServiceTest, DisabledViaPref);
 
   // Callback for the PrefChangeRegistrar.