code: def test_fake_quantize_mean():
      x = relay.var("x", shape=[1, 3, 224, 224], dtype="uint8")
  
      x = relay.qnn.op.dequantize(x, relay.const(2.0), relay.const(114))
      op = relay.op.mean(x)
      op = relay.qnn.op.quantize(
          op, relay.const(2.0), relay.const(114), out_dtype="uint8"
      )
  
      x_np = np.random.randint(
          0, 255, size=[1, 3, 224, 224], dtype="uint8"
      )
  
      compare_fq_to_int(op, [x_np], allow_rounding_error=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 31 for calling a global function with example usage: test_fake_quantize_mean() without return types