l1: move anvil test util into single use-case

[giladchase]

Only this test now needs to initialize multiple anvil instances, since
it's testing l1 node-switching. All other use cases were previously
converted to use the more robust anvil base layer.

[giladchase]

• l1: add mocked starknet contract #8459
• apollo_integration_tests: ban anvil in unit tests #8458
• l1: move anvil and associated tests into integration test crate #8444
• l1: move anvil test util into single use-case #7791 👈 (View in Graphite)
• l1: remove unused test-utils in favor of AnvilBaseLayer #7790
• l1: convert events_from_other_contracts test into integration test #7789
• l1: move send_messages_to_l2 util into AnvilBaseLayer #8264
• l1: rename args in test, to be symmetric with other_contract #8263
• l1: change nonce into n_txs in starknet_api_test_utils #8262
• l1: remove eth l1 nonce from send_messages_to_l2 #8261
• l1: use AnvilBaseLayer in multi-contract events test #7788
• l1: remove out of scope assertion in test #7787
• l1: use AnvilBaseLayer in integration test #7786
• apollo_integration_tests: use AnvilBaseLayer #7785
• l1: add consts to anvil pre-funded accounts #7784
• l1: consolidate Ethereum contract address re-export #7783
• l1: add anvil base layer #7782
• main

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[reviewable-StarkWare]

This change is 

[ArniStarkware]

Reviewed 2 of 2 files at r1, all commit messages.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @matan-starkware)

[graphite-app]

Merge activity

• Aug 6, 3:00 PM UTC: Graphite rebased this pull request, because this pull request is set to merge when ready.

[giladchase]

Reviewed 2 of 2 files at r2, all commit messages.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @matan-starkware)