code: def test_get_feature_names_out_passthrough():
      umap = UMAP()
      # get_feature_names_out should return same names if feature are passed in directly.
      example_passthrough = ["feature1", "feature2"]
      passthrough_result = umap.get_feature_names_out(
          feature_names_out=example_passthrough
      )
      assert example_passthrough == passthrough_result
  
file_path: umap/umap/tests/test_umap_get_feature_names_out.py
imports: import numpy
  from sklearn.datasets import make_classification
  from sklearn.pipeline import Pipeline, FeatureUnion
  from ..umap_ import UMAP
label_desc: Use image node_id 1 for calling a global function with example usage: test_get_feature_names_out_passthrough() without return types