class_docstr: FeatureCorrelation visualizer
class_docstr_tok: ["FeatureCorrelation","visualizer"]
docstr: Test FeatureCorrelation visualizer with unknown method
docstr_tok: ["Test","FeatureCorrelation","visualizer","with","unknown","method"]
code: def test_feature_correlation_method_not_implemented(self):
      """
      Test FeatureCorrelation visualizer with unknown method
      """
      method = "foo"
      e = "Method foo not implement; choose from *"
      with pytest.raises(YellowbrickValueError, match=e):
          FeatureCorrelation(method=method)
  
imports: import sys
  import pytest
  import numpy
  import numpy.testing
  from yellowbrick.target import FeatureCorrelation, feature_correlation
  from yellowbrick.exceptions import YellowbrickValueError, YellowbrickWarning
  from sklearn import datasets
  from tests.base import VisualTestCase
label_desc: Use image node_id 4 for calling the TestFeatureCorrelationVisualizer obj's underlying member method code with example usage: obj.test_feature_correlation_method_not_implemented() without return types