add smoke spec for LoadCaseContacts concern

Author: MikeRose151

spec/controllers/concerns/loads_case_contacts_spec.rb

@@ -0,0 +1,15 @@
+require "rails_helper"
+
+RSpec.describe LoadsCaseContacts do
+  let(:host) do
+    Class.new do
+      include LoadsCaseContacts
+    end
+  end
+
+  it "exists and defines private API" do
+    expect(described_class).to be_a(Module)
+    expect(host.private_instance_methods)
+      .to include(:load_case_contacts, :current_organization_groups, :all_case_contacts)
+  end
+end