Resolve warnings found in Stratis.Bitcoin.Tests#778

quantumagi merged 1 commit intostratisproject:release/1.2.0.0stratisproject/StratisFullNode:release/1.2.0.0from

quantumagi:fixbitcointestswarningsquantumagi/StratisFullNode-1:fixbitcointestswarningsCopy head branch name to clipboard