[Test] add AbsorbConsecutiveTransposes to mnv1 test

tests/end2end/test_end2end_mobilenet_v1.py

@@ -198,6 +198,7 @@ def test_end2end_mobilenet_lowering():
     )
     model = model.transform(LowerConvsToMatMul())
     model = model.transform(absorb.AbsorbTransposeIntoMultiThreshold())
+    model = model.transform(absorb.AbsorbConsecutiveTransposes())
     model = model.transform(GiveUniqueNodeNames())
     model = model.transform(GiveReadableTensorNames())
     model = model.transform(InferDataTypes())