Avoid cross-module references

Author: eizengan

lib/slack/web/api/mixins/conversations.id.rb

@@ -16,7 +16,7 @@ module Conversations
           #   The page size used for conversations_list calls required to find the channel's ID
           def conversations_id(options = {})
             name = options[:channel]
-            limit = options.fetch(:id_limit, conversations_id_page_size)
+            limit = options.fetch(:id_limit, Slack::Web.config.conversations_id_page_size)
 
             raise ArgumentError, 'Required arguments :channel missing' if name.nil?
 

lib/slack/web/api/mixins/users.id.rb

@@ -16,7 +16,7 @@ module Users
           #   The page size used for users_list calls required to find the user's ID
           def users_id(options = {})
             name = options[:user]
-            limit = options.fetch(:id_limit, users_id_page_size)
+            limit = options.fetch(:id_limit, Slack::Web.config.users_id_page_size)
 
             raise ArgumentError, 'Required arguments :user missing' if name.nil?
 

spec/slack/web/api/mixins/conversations_spec.rb

@@ -13,7 +13,6 @@
   end
 
   before do
-    allow(conversations).to receive(:conversations_id_page_size) { Slack::Web.config.conversations_id_page_size }
     allow(conversations).to receive(:conversations_list).and_yield(
       Slack::Messages::Message.new(
         'channels' => [{

spec/slack/web/api/mixins/users_spec.rb

@@ -13,7 +13,6 @@
   end
 
   before do
-    allow(users).to receive(:users_id_page_size) { Slack::Web.config.users_id_page_size }
     allow(users).to receive(:users_list).and_yield(
       Slack::Messages::Message.new(
         'members' => [{