evm: migrate test data to js

[gabrocheleau]

This PR migrates the evm test data from JSON to JS

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 42.66%. Comparing base (4470cc3) to head (c26cda8).
Report is 67 commits behind head on master.

Additional details and impacted files

Flag	Coverage Δ
block	71.56% <ø> (-1.89%)	⬇️
blockchain	89.28% <ø> (?)
client	?
common	91.47% <ø> (?)
devp2p	0.00% <ø> (?)
evm	68.77% <ø> (?)
genesis	0.00% <ø> (?)
statemanager	70.31% <ø> (?)
trie	54.29% <ø> (?)
tx	?
util	75.53% <ø> (?)
wallet	?

Flags with carried forward coverage won't be shown. Click here to find out more.

[holgerd77]

LGTM