client.erb in gapic-generator-0.10.0

- old
+ new

@@ -1,8 +1,8 @@
 <%- assert_locals service -%>
 <%= render partial: "shared/header" %>
 require "helper"
-
+require "gapic/rest"
 require "<%= service.proto_service_require %>"
 require "<%= service.service_require %>"
 
 
 class <%= service.client_name_full %>Test < Minitest::Test