docstr: Tests if unknown methods raise exceptions.
docstr_tok: ["Tests","if","unknown","methods","raise","exceptions","."]
code: def test_interpolate_raises_exceptions(self):
      """Tests if unknown methods raise exceptions."""
      vector1 = self._pick_random_quaternion()
      self.assert_exception_is_raised(
          slerp.interpolate,
          error_msg="Unknown interpolation type supplied.",
          shapes=[],
          vector1=vector1,
          vector2=-vector1,
          percent=0.1,
          method=2,
      )
  
imports: from absl.testing import parameterized
  import numpy
  import tensorflow
  from tensorflow_graphics.math.interpolation import slerp
  from tensorflow_graphics.util import test_case
label_desc: Use image node_id 4 for calling the SlerpTest obj's underlying member method code with example usage: obj.test_interpolate_raises_exceptions() without return types