@jyang72 it was just a diagnostic, buddy. Plenty more learning before my not-good-enough 151BR holds any water. (2 weeks later my BR was 158... and I have a few months to go.)
167 will be hard by dec... Give it about 6-7 PTs before you really know where you stand. I will predict your avg will be around 158-161.... The next jump will be the hardest thing you ever do... Patience is the key
I wore a sweater/hoodie.
In any case, if you come prepared with one and they tell you you can't wear it, then fine. But it's better to be prepared and warm than not prepared and cold.
When I wrote the test last year I wore a hoodie and so did others at my test center. It was a non issue. Although the Canadian winters are pretty cold so maybe that's why they expected people to be walking in all bundled up.