message: Fix python3 warning about use of 'is not' for literal comparison
diff: @@ -18,7 +18,7 @@ class D3D12_PrimitiveID(rdtest.TestCase):
  primInput = self.find_input_source_var(trace, rd.ShaderBuiltin.PrimitiveIndex)
  if primInput is None:
  # If we didn't find it, then we should be expecting a 0
  - if len(expected_prim) > 1 or expected_prim[0] is not 0:
  + if len(expected_prim) > 1 or expected_prim[0] != 0:
  rdtest.log.error("Expected prim {} at {},{} did not match actual prim {}.".format(
  str(expected_prim), x, y, prim))
  return False
  