`npm test`
SendXec
[x] Enter a valid XEC address and amount, no validation errors (handled by `npm test`)
[x] Invalid XEC address, addr validation error (handled by `npm test`)
[] Valid XEC address with valid amount. Amount is entered in amount field and input is disabled. (automated snapshot does not currently calculate wallet balance, so cannot automate)
[] Valid XEC address with invalid amount param. Validation error appears below amount field. Amount field is disabled.
TODO add more test cases, automate what you can