Fix exception during signup

spec/services/create_account_spec.rb

@@ -92,4 +92,27 @@ RSpec.describe CreateAccount, type: :model do
       clear_enqueued_jobs
     end
   end
+
+  describe "#create_lndhub_wallet" do
+    include ActiveJob::TestHelper
+
+    let(:service) { CreateAccount.new(
+      username: 'halfinney', email: 'halfinney@example.com',
+      password: 'bright-ideas-in-winter'
+    )}
+    let(:new_user) { create :user, cn: "halfinney", ou: "kosmos.org" }
+
+    it "enqueues a job to create an LndHub wallet" do
+      service.send(:create_lndhub_wallet, new_user)
+
+      expect(enqueued_jobs.size).to eq(1)
+
+      args = enqueued_jobs.first['arguments']
+      expect(args[0]['_aj_globalid']).to match('gid://akkounts/User')
+    end
+
+    after do
+      clear_enqueued_jobs
+    end
+  end
 end