Test/498 beerus.rs (#502)

* test: added two test cases for get_storage_at

* test: added test for starknet_estimate_fee

* test: added test for starknet get_block_with_txs

* test: added tests for get_block_hash_and_number and get_block_with_txs

* test: added tests for starknet_get_transaction_receipt

* test: added test for get_transaction_by_hash

* fix: fixed failing tests

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Co-authored-by: drspacemn <[email protected]>