Add `ODIN_TEST` constant for checking if `odin test` is being run
Add `ODIN_TEST` constant for checking if `odin test` is being run

gingerBill/Odin,gingerBill/Odin,ThisDrunkDane/Odin,ThisDrunkDane/Odin,ThisDrunkDane/Odin,gingerBill/Odin,gingerBill/Odin