[Test] switch is_finn_op to is_custom_op

Author: maltanar

tests/transformation/test_channelslast.py

@@ -46,7 +46,7 @@
 from qonnx.transformation.infer_shapes import InferShapes
 from qonnx.transformation.make_input_chanlast import MakeInputChannelsLast
 from qonnx.transformation.quant_constant_folding import FoldTransposeIntoQuantInit
-from qonnx.util.basic import is_finn_op
+from qonnx.util.basic import is_custom_op
 from qonnx.util.test import download_model, get_golden_in_and_output, test_model_details
 from qonnx.util.to_channels_last import to_channels_last
 
@@ -125,7 +125,7 @@ def analysis_test_for_left_transposes(model, test_model, make_input_channels_las
 def verify_all_nodes(model):
     result = dict()
     for n in model.graph.node:
-        if is_finn_op(n.domain):
+        if is_custom_op(n.domain):
             n_instance = getCustomOp(n)
             verify_result = n_instance.verify_node()
             result[n.name] = verify_result