[NTP Snippets] Persist non-article remote suggestions in the DB

components/ntp_snippets/remote/ntp_snippets_database_unittest.cc

Index: components/ntp_snippets/remote/ntp_snippets_database_unittest.cc
diff --git a/components/ntp_snippets/remote/ntp_snippets_database_unittest.cc b/components/ntp_snippets/remote/ntp_snippets_database_unittest.cc
index cdb36eb4d756674e8445bee3b97aff62b9cc0265..3a8fc5c300f623f0fb7a523dd658fc09c0db3499 100644
--- a/components/ntp_snippets/remote/ntp_snippets_database_unittest.cc
+++ b/components/ntp_snippets/remote/ntp_snippets_database_unittest.cc
@@ -45,7 +45,8 @@ bool operator==(const NTPSnippet& lhs, const NTPSnippet& rhs) {
 namespace {
 
 std::unique_ptr<NTPSnippet> CreateTestSnippet() {
-  std::unique_ptr<NTPSnippet> snippet(new NTPSnippet("http://localhost"));
+  std::unique_ptr<NTPSnippet> snippet(new NTPSnippet("http://localhost",
+                                                     kArticlesRemoteId));
   snippet->add_source(
       SnippetSource(GURL("http://localhost"), "Publisher", GURL("http://amp")));
   return snippet;