Write integration tests

Todo

• Write test membership ENFT and Issuer contracts

Scenarios

• Try create a proposal when not a member
• Create a proposal as member
• Try create a proposal with an expired membership token
• Try edit proposal when not author
• Edit proposal as author
• Quorum not attained after commitment period
• Quorum attained after commitment period
• Try to commit on a proposal that isn't in commitment phase.
• Try to vote on a proposal that isn't in voting phase.
• Voting phase commitments tests (simulate all frontend interactions)
• Various validating phase scenarios:
  • Revealing a vote destroys voting ballot contract and return deposit
  • Rejected instantly at absolute majority
  • Accepted instantly at absolute majority
  • Reject at single majority after validation period ends
  • Accepted at single majority after validation period ends
  • Not revealed votes considered as abstained
  • Retrieve deposit tests (incl. fraudulent tries)
• Test Motion enacting
• Test Grant execution → Should create a transfer proposal
• Test Transfer execution
• Test Frontend change execution
• Test Governance rules change execution
• Test events client subscription in all scenarios