Close connection when succeeded posting (#5390)

* Close connection when succeeded posting

* Update webmock

app/services/send_interaction_service.rb

@@ -12,9 +12,11 @@ class SendInteractionService < BaseService
 
     return if !target_account.ostatus? || block_notification?
 
-    delivery = build_request.perform.flush
+    delivery = build_request.perform
 
     raise Mastodon::UnexpectedResponseError, delivery unless delivery.code > 199 && delivery.code < 300
+
+    delivery.connection&.close
   end
 
   private

app/services/subscribe_service.rb

@@ -6,7 +6,7 @@ class SubscribeService < BaseService
 
     @account        = account
     @account.secret = SecureRandom.hex
-    @response       = build_request.perform.flush
+    @response       = build_request.perform
 
     if response_failed_permanently?
       # We're not allowed to subscribe. Fail and move on.
@@ -20,6 +20,7 @@ class SubscribeService < BaseService
       # We need to retry at a later time. Fail loudly!
       raise Mastodon::UnexpectedResponseError, @response
     end
+    @response.connection&.close
   end
 
   private

app/services/unsubscribe_service.rb

@@ -7,9 +7,10 @@ class UnsubscribeService < BaseService
     @account = account
 
     begin
-      @response = build_request.perform.flush
+      @response = build_request.perform
 
       Rails.logger.debug "PuSH unsubscribe for #{@account.acct} failed: #{@response.status}" unless @response.status.success?
+      @response.connection&.close
     rescue HTTP::Error, OpenSSL::SSL::SSLError => e
       Rails.logger.debug "PuSH unsubscribe for #{@account.acct} failed: #{e}"
     end