diff --git a/test/test_component.rb b/test/test_component.rb
index 9ee3d95cd50b270b6f36f072635bf5012366d7ae..c7c2d9e01b90b6e0caa7f948d46abe4f970d52bb 100644
--- a/test/test_component.rb
+++ b/test/test_component.rb
@@ -424,18 +424,32 @@ class ComponentTest < Minitest::Test
 			]
 		end
 
-		BandwidthIris::TnOptions.stub :create_tn_option_order,
-			->(client, data) { {order_id: 'test-order-123', processing_status: 'RECEIVED', error_list: {}} } do
-			BandwidthIris::TnOptions.stub :get_tn_option_order,
-				->(client, order_id) { {order_id: order_id, order_status: 'COMPLETE', error_list: {}} } do
-
-				process_stanza(iq)
+		tn_mock = Minitest::Mock.new
+		tn_mock.expect(:get_details, { tier: 0.0, on_net_vendor: true })
+		with_stubs([
+			[
+				BandwidthIris::TnOptions,
+				:create_tn_option_order,
+				->(client, data) { {order_id: 'test-order-123', processing_status: 'RECEIVED', error_list: {}} }
+			],
+			[
+				BandwidthIris::TnOptions,
+				:get_tn_option_order,
+				->(client, order_id) { {order_id: order_id, order_status: 'COMPLETE', error_list: {}} }
+			],
+			[
+				BandwidthIris::Tn,
+				:get,
+				tn_mock
+			]
+		]) do
+			process_stanza(iq)
 
-				assert_equal 1, written.length
+			assert_equal 1, written.length
 
-				stanza = Blather::XMPPNode.parse(written.first.to_xml)
-				refute stanza.error?
-			end
+			stanza = Blather::XMPPNode.parse(written.first.to_xml)
+			refute stanza.error?
+			assert_mock tn_mock
 		end
 	end
 	em :test_port_out_pin
diff --git a/test/test_helper.rb b/test/test_helper.rb
index fabafe4e331883c548591a19a9c7b1e50cdb5991..1d7dcb4b728d4244e6c388d11b5bf5d7071220f0 100644
--- a/test/test_helper.rb
+++ b/test/test_helper.rb
@@ -138,6 +138,17 @@ REDIS = FakeRedis.new
 
 module Minitest
 	class Test
+		def with_stubs(stubs, &block)
+			if stubs.empty?
+				block.call
+			else
+				obj, method, value = stubs.first
+				obj.stub(method, value) do
+					with_stubs(stubs[1..], &block)
+				end
+			end
+		end
+
 		def self.em(m)
 			alias_method "raw_#{m}", m
 			define_method(m) do