config:  testConfig.Clone(),
		validate: func(state ConnectionState) error {
			if km, err := state.ExportKeyingMaterial("test", nil, 42); err != nil {
				return fmt.Errorf("ExportKeyingMaterial failed: %v", err)
			} else if len(km) != 42 {
				return fmt.Errorf("Got %d bytes from ExportKeyingMaterial, wanted %d", len(km), 42)
			}
			return nil
		},
	}
	runServerTestTLS10(t, test)