code: def test_builder_sqrt_eval(self):
      val = np.array([[1, 2, 3], [4, 5, 6]], dtype=np.float32)
      v = mb.sqrt(x=val)
      expected_outputs = np.array(
          [
              [1.0, 1.41421356, 1.73205081],
              [2.0, 2.23606798, 2.44948974],
          ],
          dtype=np.float32,
      )
  
      assert is_close(expected_outputs, v.val)
  
imports: import scipy
  from coremltools.converters.mil import testing_reqs
  from coremltools.converters.mil.testing_reqs import *
  from .testing_utils import run_compare_builder
label_desc: Use image node_id 23 for calling the TestElementwiseUnary obj's underlying member method code with example usage: obj.test_builder_sqrt_eval() without return types