`ninja check && ninja check-functional`
`./src/qt/bitcoin-qt -testnet -wallet=wallet1 -wallet=wallet2`
Verify the following:
1. Visually verify that the wallet dropdown exists in the upper right-hand corner.
2. Selecting a wallet from the dropdown displays the transactions only associated with that wallet.
3. Requesting payment on a specified wallet generates an address for that wallet.
4. Visually verify that Debug window now has a dropdown containing both wallet options.