Fix tests on master and .only linter

[naddison36]

Changes

• Removed .only from AMO fork tests
• Adds linter check for .only in tests
• Fixed fork test harvesting CRV as price has dropped relative to ETH

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 60.57%. Comparing base (6f7aa40) to head (6f7a1a6).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #2068 +/- ## =========================================== + Coverage 1.29% 60.57% +59.28% =========================================== Files 59 59 Lines 3021 3021 Branches 779 779 =========================================== + Hits 39 1830 +1791 + Misses 2982 1188 -1794 - Partials 0 3 +3 ```

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