test: Update transaction_tests and associated JSON files from upstream#2356

Merged

jamescowens merged 1 commit intogridcoin-community:developmentfrom barton2526:tx_invalid_new

Oct 8, 2021

+20-4

Commits on Oct 8, 2021

[Test Suite] Fix test for null tx input, Add DERSIG transaction test case. More tests
barton2526
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