class_docstr: Test GeneralSpace works on a Symmetric Matrix.
class_docstr_tok: ["Test","GeneralSpace","works","on","a","Symmetric","Matrix","."]
code: def embed_coords(self, coords):
      x, y, z = tf.unstack(coords, axis=-1)
      first_row = tf.stack([x, y], axis=-1)
      second_row = tf.stack([y, z], axis=-1)
      result = tf.stack([first_row, second_row], axis=-2)
      return result
  
imports: from absl.testing import parameterized
  import numpy
  import tensorflow.compat.v2
  from tensorflow_probability.python.bijectors import exp
  from tensorflow_probability.python.bijectors import reshape
  from tensorflow_probability.python.bijectors import scale
  from tensorflow_probability.python.bijectors import scale_matvec_tril
  from tensorflow_probability.python.bijectors import transform_diagonal
  from tensorflow_probability.python.experimental.tangent_spaces import spaces
  from tensorflow_probability.python.experimental.tangent_spaces import spaces_test_util
  from tensorflow_probability.python.internal import test_util
label_desc: Use image node_id 2 for calling the GeneralSpaceSymmetricMatrixTest obj's underlying member method code with example usage: obj.embed_coords(coords) and returns: result