chore(rails): Upgrade to Rails 8.1.4

spec/lib/migration_waiter_spec.rb

@@ -0,0 +1,21 @@
+# frozen_string_literal: true
+
+require "rails_helper"
+
+RSpec.describe MigrationWaiter do
+  describe ".wait" do
+    it "returns without waiting when there are no pending migrations" do
+      expect(described_class).not_to receive(:sleep)
+      expect(Process).not_to receive(:exit)
+      described_class.wait
+    end
+
+    it "exits after all attempts have been used while migrations are still pending" do
+      stub_const("MigrationWaiter::ATTEMPTS", 2)
+      allow_any_instance_of(ActiveRecord::Migrator).to receive(:pending_migrations).and_return([double])
+      expect(described_class).to receive(:sleep).once
+      expect(Process).to receive(:exit).with(1).and_raise(SystemExit)
+      expect { described_class.wait }.to raise_error(SystemExit)
+    end
+  end
+end