Following tutorial https://tonhelloworld.com/03-client/ At step 7: Increment the counter on chain I can connect my Testnet wallet using the 'Connect wallet' button. However, when I press 'Increment' the transaction always tries to run using Mainnet wallet, and it fails afterwards due to insufficient balance. After this, the mainnet wallet remains selected in Tonkeeper browser  
Following tutorial https://tonhelloworld.com/03-client/
At step 7: Increment the counter on chain
I can connect my Testnet wallet using the 'Connect wallet' button.
However, when I press 'Increment' the transaction always tries to run using Mainnet wallet, and it fails afterwards due to insufficient balance.
After this, the mainnet wallet remains selected in Tonkeeper browser