Improve contracts coverage

[a17]

Here we collect all the uncovered areas in the code base with a description of how to cover them.

Core

• ...

Strategies

• DefiEdgeQuickSwapMerklFarmStrategy
  • [ ] _normalise, _getChainlinkPrice: test with asset that have decimals > 18
  • [ ] _calculateShares: test with totalShares == 0 DefiEdge underlying ALM or make such underlyings unsupportable
  • [ ] _getPriceInUSD: test with not _isBase asset that need chainlink price
• GammaQuickSwapMerklFarmStrategy
  • [ ] _previewDepositAssets: try to write fuzzing test or something like it
  • [ ] _assetsAmounts: read on empty vault in test
• GammaRetroMerklFarmStrategy
  • [ ] initVariants: test with not active farm
  • [ ] _previewDepositAssets: try to write fuzzing test or something like it
  • [ ] _assetsAmounts: read on empty vault in test
• IchiQuickSwapMerklFarmStrategy
  • [ ] getAssetsProportions: test with other underlyings
• ...