class_docstr: Tests CurvesInterpreter.
docstr: Tests that the interpreter meta has correct fields of correct type.
code: def test_meta_spec(self):
      """Tests that the interpreter meta has correct fields of correct type."""
      spec = self.ci.meta_spec()
      self.assertIn(curves.ROC_DATA, spec)
      self.assertIsInstance(
          spec[curves.ROC_DATA], lit_types.CurveDataPoints
      )
      self.assertIn(curves.PR_DATA, spec)
      self.assertIsInstance(
          spec[curves.PR_DATA], lit_types.CurveDataPoints
      )
  
imports: from typing import NamedTuple
  from absl.testing import absltest
  from absl.testing import parameterized
  from lit_nlp.api import dataset
  from lit_nlp.api import model
  from lit_nlp.api import types
  from lit_nlp.components import curves
  from lit_nlp.lib import caching
label_desc: Use image node_id 6 for calling the CurvesInterpreterTest obj's underlying member method code with example usage: obj.test_meta_spec() without return types