code: def test_log(self):
      self.helper_test_fake_quantize_unary_op(
          fp32_op=relay.log, pos_values=True
      )
  
imports: import numpy
  import pytest
  import tvm
  import tvm.testing
  from tvm import relay
  from tvm.relay.transform import fake_quantization_to_integer
label_desc: Use image node_id 8 for calling the TestUnaryQNNOp obj's underlying member method code with example usage: obj.test_log() without return types