* Verify and complete all branching saga logic tests for transaction stack.
* Write reducer tests for refactored transaction stack.
* Add selector tests. Some files still need to be debugged.
* Add snapshot test for fields, additional seelector testing.
* Remove fields snapshots.
* Remove ABIs from the TestState json
* Use redux state instead of raw json in selector testing.
* Fix merge issues.
* Remove log
* Fix state values.
* Change test value to wei.
* Last touchup.
* Fix buffer shape, change Wei typo, use reasonable wei values.
* Last touch up.
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