* Stardew Valley: Test: unify mods
* Stardew Valley: Test: don't use SVTestBase where setUp is unused
* Stardew Valley: Test: remove duplicate backpack test
* Stardew Valley: Test: remove 2,3,4 heart tests
assume the math is correct with just 2 points on the curve
* Stardew Valley: Test: reduce duplicate test/gen runs
* Stardew Valley: Test: Change 'long' tests to not use TestBase
TestBase' setUp is not being used in the changed TestCases
* Stardew Valley: Test: Use subtests and inheritance for backpacks
* Stardew Valley: Test: add flag to skip some of the extensive tests by default
* - Reorganised tests for better backpack coverage
- Added a test for backpack locations being absent on vanilla
* - Fix backpack locations on vanilla
* - Fixed a typo in documentation
* - Added missing parenthesis after enum.auto so that Python 3.11 still works
* - Added Blank lines at the end of the backpack test files
* - cleaned whitespace