[Test] fix test cond in infer_datatypes

tests/transformation/test_infer_datatypes.py

@@ -54,8 +54,8 @@ def test_infer_datatypes():
     assert model.get_tensor_datatype("MatMul_1_out0") == DataType.INT32
     assert model.get_tensor_datatype("MatMul_2_out0") == DataType.INT32
     assert model.get_tensor_datatype("MatMul_3_out0") == DataType.INT32
-    assert model.get_tensor_datatype("Sign_0_out0") == DataType.BIPOLAR
-    assert model.get_tensor_datatype("Sign_1_out0") == DataType.BIPOLAR
-    assert model.get_tensor_datatype("Sign_2_out0") == DataType.BIPOLAR
-    assert model.get_tensor_datatype("Sign_3_out0") == DataType.BIPOLAR
+    assert model.get_tensor_datatype("MultiThreshold_0_out0") == DataType.BIPOLAR
+    assert model.get_tensor_datatype("MultiThreshold_1_out0") == DataType.BIPOLAR
+    assert model.get_tensor_datatype("MultiThreshold_2_out0") == DataType.BIPOLAR
+    assert model.get_tensor_datatype("MultiThreshold_3_out0") == DataType.BIPOLAR
     os.remove(export_onnx_path)