[Task]: Use test coin type for testnets

[nicole-obrien]

Task description

We should be using the testnet cointype 1 or 0x1 for testnets. Although we may not want to do this for the current alpha and beta builds, because they are only network that people are testing.

Requirements

• [ ] Support testnet cointype

Creation checklist

• [ ] I have assigned this task to the correct people
• [X] I have added the most appropriate labels
• [X] I have linked the correct milestone and/or project