[Docs] Testing environment

[devbugging]

It seems like the test script and the contracts and transactions executed using Test.executeTransaction are not sharing an environment. This is not clear anywhere in the documentation. Accessing block information, for example, from the scripts executed and within the test, doesn't result in the same block.

[joshuahannan]

Confirmed this myself. The timestamp returned when using getCurrentBlock().timestamp directly in the tests is different than when I query it in a script and return the value. Additionally, the timestamp (queried from scripts) seems to increase on its own as I run transactions, whereas I thought that the timestamp should only increase if I use the Test.moveTime utility.

Also, the values when querying contract fields are sometimes different when querying directly vs querying with a script