Improves code coverage on a few tests

[jalextowle]

Description

Increases code coverage on the contracts/src/external/Hyperdrive.sol and contracts/src/factory/HyperdriveFactory.sol.

[github-actions[bot]]

Hyperdrive Gas Benchmark

Benchmark suite	Current: 4adac79c5199dfa7c47b6f6d1e33c98e12084ae4	Previous: ae1cd7e983c2d647a78808c99696b9d6e124e1ba	Deviation	Status
addLiquidity: min	33893 gas	33783 gas	0.3256%	🚨
addLiquidity: avg	144923 gas	143896 gas	0.7137%	🚨
addLiquidity: max	428295 gas	428169 gas	0.0294%	🚨
checkpoint: min	40220 gas	40242 gas	-0.0547%	✅
checkpoint: avg	103953 gas	104067 gas	-0.1095%	✅
checkpoint: max	212154 gas	212176 gas	-0.0104%	✅
closeLong: min	31517 gas	31495 gas	0.0699%	🚨
closeLong: avg	138050 gas	138101 gas	-0.0369%	✅
closeLong: max	2640435 gas	2640413 gas	0.0008%	🚨
closeShort: min	31394 gas	31416 gas	-0.0700%	✅
closeShort: avg	132886 gas	132891 gas	-0.0038%	✅
closeShort: max	227565 gas	227587 gas	-0.0097%	✅
initialize: min	31305 gas	31327 gas	-0.0702%	✅
initialize: avg	253635 gas	253661 gas	-0.0102%	✅
initialize: max	322760 gas	322672 gas	0.0273%	🚨
openLong: min	33437 gas	33547 gas	-0.3279%	✅
openLong: avg	167347 gas	167586 gas	-0.1426%	✅
openLong: max	253162 gas	253272 gas	-0.0434%	✅
openShort: min	33959 gas	33937 gas	0.0648%	🚨
openShort: avg	170388 gas	170070 gas	0.1870%	🚨
openShort: max	385650 gas	385628 gas	0.0057%	🚨
redeemWithdrawalShares: min	31227 gas	31227 gas	0%	🟰
redeemWithdrawalShares: avg	61983 gas	62089 gas	-0.1707%	✅
redeemWithdrawalShares: max	167572 gas	167572 gas	0%	🟰
removeLiquidity: min	31191 gas	31169 gas	0.0706%	🚨
removeLiquidity: avg	222820 gas	223217 gas	-0.1779%	✅
removeLiquidity: max	398887 gas	398865 gas	0.0055%	🚨

This comment was automatically generated by workflow using github-action-benchmark.