[Test] remove/don't generate tmp files in main folder

tests/transformation/test_absorb_transp_into_flatten.py

@@ -57,9 +57,9 @@ def test_absorb_transp_into_flatten(perm, shape, ishape, data_layout):
     model = model.transform(InferDataLayouts())
     model = model.transform(GiveUniqueNodeNames())
     model = model.transform(GiveReadableTensorNames())
-    model.save("test.onnx")
+    # model.save("test.onnx")
     model_transformed = model.transform(AbsorbTransposeIntoFlatten())
-    model_transformed.save("test2.onnx")
+    # model_transformed.save("test2.onnx")
 
     # verify transformation
     inp_values = np.random.uniform(low=-1, high=1, size=tuple(ishape)).astype(

tests/transformation/test_topk_insert.py

-# import os
+import os
 import onnx
 from finn.util.test import get_test_model_trained
 import brevitas.onnx as bo
@@ -57,4 +57,4 @@ def test_topk_insert(k):
     output_pysim_topk = output_pysim_topk.astype(np.int).flatten()
 
     assert np.array_equal(output_golden_topk, output_pysim_topk)
-    # os.remove(export_onnx_path)
+    os.remove(export_onnx_path)

tests/util/test_create.py

@@ -61,4 +61,4 @@ def test_hls_random_mlp_maker(bitwidth):
 
     ret = create.hls_random_mlp_maker(layer_spec)
     assert len(ret.graph.node) == 5
-    ret.save("mlp-%s.onnx" % str(bitwidth))
+    # ret.save("mlp-%s.onnx" % str(bitwidth))