The Brownie interactive flag allows for extra convenience with debugging and development of smart contracts. When a test fails, it drops you right on a console at the exact point of failure with access to all relevant variables.
When a test fails, open a console and interact with any variables at the point of failure.
> brownie test --interactive
> brownie test -I
Pass the exclude flag to filter an object, iterable or callable
> strategy(strategy_type, excludes=...)