fix specs

app/controllers/admin/applications_controller.rb

@@ -19,7 +19,7 @@ class Admin::ApplicationsController < Admin::ApplicationController
   end
 
   def create
-    @application = Applications::CreateService.new(current_user, application_params.merge.execute(request)
+    @application = Applications::CreateService.new(current_user, application_params.merge.execute(request))
 
     if @application.persisted?
       flash[:notice] = I18n.t(:notice, scope: [:doorkeeper, :flash, :applications, :create])

spec/services/applications/create_service_spec.rb

@@ -3,10 +3,11 @@ require 'spec_helper'
 describe ::Applications::CreateService do
   let(:user) { create(:user) }
   let(:params) { attributes_for(:application) }
+  let(:request) { ActionController::TestRequest.new(remote_ip: '127.0.0.1') }
 
   subject { described_class.new(user, params) }
 
   it 'creates an application' do
-    expect { subject.execute }.to change { Doorkeeper::Application.count }.by(1)
+    expect { subject.execute(request) }.to change { Doorkeeper::Application.count }.by(1)
   end
 end