[tests] Tidy up feature_block.py

- move all helper methods to the end
- remove block, create_tx and create_and_sign_tx shortcuts
- remove --runbarelyexpensive option, since it defaults to True and it's
unlikely that anyone ever runs the test with this option set to false.
This commit is contained in:
John Newbery 2017-11-22 13:47:03 -05:00
parent 5cd01d235a
commit 3898c4f3d7

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