[Bug]: [Tests] Initialization Test Does Not Work With V1

[robertgshaw2-redhat]

Your current environment

• Converting over the tests to use V1, this is not working

🐛 Describe the bug

• works

VLLM_USE_V1=0 pytest -v -x models/test_initialization.py -k "not Cohere"

• fails on Grok 1

VLLM_USE_V1=1 pytest -v -x models/test_initialization.py -k "not Cohere"

• works! (this is wild)

VLLM_USE_V1=1 pytest -v -x models/test_initialization.py -k "Grok"

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