Add specs for FederalSubjectsController#show

spec/requests/federal_subjects/show_spec.rb

@@ -0,0 +1,19 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+RSpec.describe 'GET /federal_subjects/:id' do
+  let(:federal_subject) { create :federal_subject }
+
+  before do
+    sign_in current_account.user if current_account&.user
+
+    get "/federal_subjects/#{federal_subject.id}"
+  end
+
+  for_account_types nil, :guest, :usual, :superuser do
+    specify do
+      expect(response).to have_http_status :ok
+    end
+  end
+end