diff --git a/test/test_registration.rb b/test/test_registration.rb
index 04c66a0e9d716bf1a933f9d01d7a0eb7cefd603b..462267ad1c9cfad3f3930c00eadd640d3784022f 100644
--- a/test/test_registration.rb
+++ b/test/test_registration.rb
@@ -631,22 +631,23 @@ class RegistrationTest < Minitest::Test
 				</OrderResponse>
 			RESPONSE
 
-			Command::COMMAND_MANAGER.expect(
-				:write,
-				EMPromise.reject(:test_result),
-				[Matching.new do |iq|
-					assert_equal :form, iq.form.type
-					assert_equal(
-						"The JMP number +15555550000 is no longer available.",
-						iq.form.instructions
-					)
-				end]
-			)
+			result = execute_command do
+				Command::COMMAND_MANAGER.expect(
+					:write,
+					EMPromise.reject(:test_result),
+					[Matching.new do |iq|
+						assert_equal :form, iq.form.type
+						assert_equal(
+							"The JMP number +15555550000 is no longer available.",
+							iq.form.instructions
+						)
+					end]
+				)
 
-			assert_equal(
-				:test_result,
-				execute_command { @finish.write.catch { |e| e } }
-			)
+				@finish.write.catch { |e| e }
+			end
+
+			assert_equal :test_result, result
 			assert_mock Command::COMMAND_MANAGER
 			assert_instance_of(
 				TelSelections::ChooseTel,