Ignore evoformer test (#7815)
Evoformer tests fail with this error. We ignore this in the full test
for now.
```
RuntimeError: Cannot re-initialize CUDA in forked subprocess. To use CUDA with multiprocessing, you must use the 'spawn' start method
```
Signed-off-by: Masahiro Tanaka <mtanaka@anyscale.com>
