code: def test_svc_params():
      rsvc = SVC()
      assert rsvc.metric == "riemann"
  
      rsvc.set_params(**{"metric": "logeuclid"})
      assert rsvc.metric == "logeuclid"
  
      rsvc.set_params(**{"max_iter": 501})
      assert rsvc.max_iter == 501
  
imports: import pickle
  import numpy
  from numpy.testing import assert_array_equal
  import pytest
  from pytest import approx
  from scipy.stats import mode
  from sklearn.dummy import DummyClassifier
  from conftest import get_distances, get_means, get_metrics
  from pyriemann.estimation import Covariances
  from pyriemann.utils.kernel import kernel
  from pyriemann.utils.mean import mean_covariance
  from pyriemann.classification import _mode_2d, MDM, FgMDM, KNearestNeighbor, TSclassifier, SVC, MeanField, class_distinctiveness
label_desc: Use image node_id 21 for calling a global function with example usage: test_svc_params() without return types