diff --git a/bin/codex_style_guard b/bin/codex_style_guard
index 276ec0c9b..a47be485e 100755
--- a/bin/codex_style_guard
+++ b/bin/codex_style_guard
@@ -1,2 +1,3 @@
+
 #!/usr/bin/env bash
 bundle exec rubocop --fail-level F
diff --git a/spec/channels/application_cable/connection_spec.rb b/spec/channels/application_cable/connection_spec.rb
new file mode 100644
index 000000000..43d8e2fc1
--- /dev/null
+++ b/spec/channels/application_cable/connection_spec.rb
@@ -0,0 +1,18 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+RSpec.describe ApplicationCable::Connection, type: :channel do
+  let(:user) { create(:better_together_user) }
+
+  it 'successfully connects for authenticated user' do
+    env = { 'warden' => double('warden', user: user) }
+    connect '/cable', env: env
+    expect(connection.current_person).to eq(user.person)
+  end
+
+  it 'rejects connection for unauthenticated user' do
+    env = { 'warden' => double('warden', user: nil) }
+    expect { connect '/cable', env: env }.to raise_error(ActionCable::Connection::Authorization::UnauthorizedError)
+  end
+end
diff --git a/spec/models/better_together/jwt_denylist_spec.rb b/spec/models/better_together/jwt_denylist_spec.rb
index c1e4fea92..e8d9685bc 100644
--- a/spec/models/better_together/jwt_denylist_spec.rb
+++ b/spec/models/better_together/jwt_denylist_spec.rb
@@ -3,9 +3,9 @@
 require 'rails_helper'
 
 module BetterTogether
-  RSpec.describe JwtDenylist do
-    it 'exists' do
-      expect(described_class).to be # rubocop:todo RSpec/Be
+  RSpec.describe JwtDenylist, type: :model do
+    it 'uses the expected table name' do
+      expect(described_class.table_name).to eq('better_together_jwt_denylists')
     end
   end
 end
diff --git a/spec/models/better_together/phone_number_spec.rb b/spec/models/better_together/phone_number_spec.rb
index 1808ff967..13f5ff1b9 100644
--- a/spec/models/better_together/phone_number_spec.rb
+++ b/spec/models/better_together/phone_number_spec.rb
@@ -3,9 +3,18 @@
 require 'rails_helper'
 
 module BetterTogether
-  RSpec.describe PhoneNumber do
-    it 'exists' do
-      expect(described_class).to be # rubocop:todo RSpec/Be
+  RSpec.describe PhoneNumber, type: :model do
+    let(:contact_detail) { create(:better_together_contact_detail, contactable: create(:better_together_person)) }
+
+    it 'is invalid without a number' do
+      phone_number = build(:better_together_phone_number, contact_detail: contact_detail, number: nil)
+      expect(phone_number).not_to be_valid
+      expect(phone_number.errors[:number]).to include("can't be blank")
+    end
+
+    it 'is valid with a number' do
+      phone_number = build(:better_together_phone_number, contact_detail: contact_detail, number: '123-456')
+      expect(phone_number).to be_valid
     end
   end
 end
diff --git a/spec/support/capybara.rb b/spec/support/capybara.rb
index 3cf31fd4e..3d2c99b4f 100644
--- a/spec/support/capybara.rb
+++ b/spec/support/capybara.rb
@@ -21,10 +21,14 @@
   # Generate a unique temporary directory for each session to avoid conflicts
   options.add_argument("--user-data-dir=#{Dir.mktmpdir}")
 
+  service = Selenium::WebDriver::Service.chrome(
+    path: ENV.fetch('CHROMEDRIVER_PATH', '/usr/bin/chromedriver')
+  )
   Capybara::Selenium::Driver.new(
     app,
     browser: :chrome,
-    options: options
+    options: options,
+    service: service
   )
 end