Migrate from lockbox to ActiveRecord encryption (1/2)

spec/services/nostr_manager/create_zap_receipt_spec.rb

@@ -1,7 +1,7 @@
 require 'rails_helper'
 
 RSpec.describe NostrManager::CreateZapReceipt, type: :model do
-  let(:user) { create :user, ln_account: "123456abcdef" }
+  let(:user) { create :user, lndhub_username: "123456abcdef" }
   let(:zap) { create :zap, user: user }
 
   # before do

spec/services/nostr_manager/publish_zap_receipt_spec.rb

@@ -1,7 +1,7 @@
 require 'rails_helper'
 
 RSpec.describe NostrManager::PublishZapReceipt, type: :model do
-  let(:user) { create :user, ln_account: "123456abcdef" }
+  let(:user) { create :user, lndhub_username: "123456abcdef" }
   let(:zap) { create :zap, user: user }
 
   before do