fix: include missing assumtion to exclude native sol

[kox]

gm. while running the tests, I noticed one of the fuzzy tests was failing. following the previous test, I added an extra assumption to skip it for native SOL on Base

[cb-heimdall]

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[jackchuma]

Hey great catch! We recently removed the SOL_PUBKEY variable from the factory after realizing it was already defined in TokenLib. Can you update this PR to use the TokenLib constant instead?