Set autoscale false for auto3dseg test (#6529)

Fixes # .
Disabled autoscale for auto3dseg template testing. 
### Description

A few sentences describing the changes proposed in this pull request.

### Types of changes
<!--- Put an `x` in all the boxes that apply, and remove the not
applicable items -->
- [x] Non-breaking change (fix or new feature that would not break
existing functionality).
- [ ] Breaking change (fix or new feature that would cause existing
functionality to change).
- [ ] New tests added to cover the changes.
- [ ] Integration tests passed locally by running `./runtests.sh -f -u
--net --coverage`.
- [ ] Quick tests passed locally by running `./runtests.sh --quick
--unittests --disttests`.
- [ ] In-line docstrings updated.
- [ ] Documentation updated, tested `make html` command in the `docs/`
folder.

---------

Signed-off-by: heyufan1995 <heyufan1995@gmail.com>

Author: heyufan1995

tests/test_auto3dseg_hpo.py

@@ -43,6 +43,7 @@
         "num_warmup_epochs": 1,
         "use_pretrain": False,
         "pretrained_path": "",
+        "auto_scale_allowed": False,
     }
     if torch.cuda.is_available()
     else {}