Fix errors preventing UnsubscribeService from working (#4866)

app/services/unsubscribe_service.rb

@@ -5,15 +5,18 @@ class UnsubscribeService < BaseService
     return if account.hub_url.blank?
 
     @account = account
+
+    begin
       @response = build_request.perform
 
       Rails.logger.debug "PuSH unsubscribe for #{@account.acct} failed: #{@response.status}" unless @response.status.success?
+    rescue HTTP::Error, OpenSSL::SSL::SSLError => e
+      Rails.logger.debug "PuSH unsubscribe for #{@account.acct} failed: #{e}"
+    end
 
     @account.secret = ''
     @account.subscription_expires_at = nil
     @account.save!
-  rescue HTTP::Error, OpenSSL::SSL::SSLError
-    Rails.logger.debug "PuSH subscription request for #{@account.acct} could not be made due to HTTP or SSL error"
   end
 
   private

spec/services/unsubscribe_service_spec.rb

@@ -26,7 +26,7 @@ RSpec.describe UnsubscribeService do
     stub_request(:post, 'http://hub.example.com/').to_raise(HTTP::Error)
     subject.call(account)
 
-    expect(logger).to have_received(:debug).with(/PuSH subscription request for bob@example.com could not be made due to HTTP or SSL error/)
+    expect(logger).to have_received(:debug).with(/unsubscribe for bob@example.com failed/)
   end
 
   def stub_logger