message: Complete the "config_util_test".
  Apparently I forgot to test parts -- it's really simple here, so it should be done.
diff: @@ -25,6 +25,11 @@ namespace tink {
  TEST(CreateKeyTypeEntry, Simple) {
  google::crypto::tink::KeyTypeEntry entry = CreateTinkKeyTypeEntry(
  "catalogue", "primitive_name", "key_proto_name", 12, true);
  + EXPECT_THAT(entry.primitive_name(), Eq("primitive_name"));
  + EXPECT_THAT(entry.type_url(),
  + Eq("type.googleapis.com/google.crypto.tink.key_proto_name"));
  + EXPECT_THAT(entry.key_manager_version(), Eq(12));
  + EXPECT_THAT(entry.new_key_allowed(), Eq(true));
  EXPECT_THAT(entry.catalogue_name(), Eq("catalogue"));
  }
  