Does not work for TESTNET_PUBKEY

[kornatzky]

For this valid TESTNET public key for one of the address in Electrum wallet running with -testnet
02fa68a884dc0fb7afd2f12825cec471b3d65c18708369d7b2bc741c487ddef1ff
says invalid

The address is:
mrjCJbLDAe9bWubuhs72bnWqpUbQfZ6g4Z