test(lifecycle): add unit tests for lifecycle behavior

internal/registry/registry_test.go

@@ -33,6 +33,10 @@ func (m *mockSession) Detail() *types.Detail {
 
 type mockLifecycle struct{ user string }
 
+func (ml *mockLifecycle) Channel() ssh.Channel {
+	return nil
+}
+
 func (ml *mockLifecycle) Connection() ssh.Conn                 { return nil }
 func (ml *mockLifecycle) PortRegistry() port.Port              { return nil }
 func (ml *mockLifecycle) SetChannel(channel ssh.Channel)       { _ = channel }

internal/transport/httphandler_test.go

@@ -100,6 +100,11 @@ type MockLifecycle struct {
 	mock.Mock
 }
 
+func (m *MockLifecycle) Channel() ssh.Channel {
+	args := m.Called()
+	return args.Get(0).(ssh.Channel)
+}
+
 func (m *MockLifecycle) Connection() ssh.Conn {
 	args := m.Called()
 	return args.Get(0).(ssh.Conn)