Revert "Revert "MLBEDSW-3645 4D class for op ifm/ofm shapes""

This reverts commit df0a5905177f3a1b836076bc3f9f39b2e86f1794.

Reason for revert: <INSERT REASONING HERE>

Change-Id: I891c66fb29db9d25e942947e8d1c29a10610de51
diff --git a/ethosu/vela/test/test_supported_operators.py b/ethosu/vela/test/test_supported_operators.py
index 583821a..973b820 100644
--- a/ethosu/vela/test/test_supported_operators.py
+++ b/ethosu/vela/test/test_supported_operators.py
@@ -62,7 +62,7 @@
 
 def test_constraint_tens_shape_size():
     # Tensors cannot be > 4D
-    op = testutil.create_op_with_quant_tensors(Op.Relu, [1, 1, 8, 8, 8], [1, 1, 8, 8, 8])
+    op = testutil.create_op_with_quant_tensors(Op.Relu, [1, 1, 8, 8, 8], [1, 1, 8, 8, 8], set_ifm_ofm_shapes=False)
     assert not support.is_operator_supported(op)