Add integration tests for invalid P2P sync messages

[joojis]

• Block sync

• [ ] Invalid fields
  • [x] Invalid parent
  • [ ] Invalid timestamp
  • [x] Invalid number
  • [x] Invalid author
  • [x] Invalid extradata
  • [x] Invalid parcelroot
  • [x] Invalid stateroot
  • [x] Invalid invoiceroot
  • [x] Invalid score
  • [x] Invalid seal
• [ ] Invalid size
• [ ] Invalid status message scenario
• [ ] Mismatch between block header and body
• [ ] Invalid seal in pow consensus

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• Parcel sync
  • [x] Invalid fields
    • [x] Invalid fee
    • [x] Invalid nonce
    • [x] Invalid networkid
    • [x] Invalid signature
  • [ ] Invalid size