Add track type to admin dashboard

spec/models/track_type_spec.rb

@@ -0,0 +1,21 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe TrackType do
+  let(:conference) { create(:conference) }
+  let(:track_type) { create(:track_type, program: conference.program) }
+
+  describe 'association' do
+    it { is_expected.to belong_to :program }
+  end
+
+  describe 'validation' do
+    it 'has a valid factory' do
+      expect(build(:track_type)).to be_valid
+    end
+
+    it { is_expected.to validate_presence_of(:title) }
+
+  end
+end