Refactor spec to go through ApplicationController#project

spec/controllers/projects/issues_controller_spec.rb

@@ -8,12 +8,11 @@ describe Projects::IssuesController do
   before do
     sign_in(user)
     project.team << [user, :developer]
-    controller.instance_variable_set(:@project, project)
   end
 
   describe "GET #index" do
     it "returns index" do
-      get :index, namespace_id: project.namespace.id, project_id: project.id
+      get :index, namespace_id: project.namespace.path, project_id: project.path
 
       expect(response.status).to eq(200)
     end
@@ -22,14 +21,15 @@ describe Projects::IssuesController do
       project.issues_enabled = false
       project.save
 
-      get :index, namespace_id: project.namespace.id, project_id: project.id
+      get :index, namespace_id: project.namespace.path, project_id: project.path
       expect(response.status).to eq(404)
     end
 
     it "returns 404 when external issue tracker is enabled" do
+      controller.instance_variable_set(:@project, project)
       allow(project).to receive(:default_issues_tracker?).and_return(false)
 
-      get :index, namespace_id: project.namespace.id, project_id: project.id
+      get :index, namespace_id: project.namespace.path, project_id: project.path
       expect(response.status).to eq(404)
     end