code: def ternary_op_given_array_test_data(self):
      def _create_sylvester():
          a = SPDMatrices(3).random_point()
          b = a
          q = rand(3, 3)
          return a, b, q
  
      smoke_data = [
          dict(
              func_name="linalg.solve_sylvester",
              create_array=_create_sylvester,
          )
      ]
  
      return self.generate_tests(smoke_data)
  
imports: import numpy
  import geomstats.backend
  from geomstats.geometry.matrices import Matrices
  from geomstats.geometry.spd_matrices import SPDMatrices
  from geomstats.geometry.symmetric_matrices import SymmetricMatrices
  from geomstats.test.data import TestData
label_desc: Use image node_id 16 for calling the DtypeTestData obj's underlying member method code with example usage: obj.ternary_op_given_array_test_data() and returns: self, a,  b,  q