Let testnet setup reflect mainnet

Our test values should reflect what we test on mainnet more closely to avoid bugs that are only observed when using mainnet settings.

swap/src/env.rs

@@ -60,13 +60,13 @@ impl GetConfig for Testnet {
     fn get_config() -> Config {
         Config {
             bitcoin_lock_confirmed_timeout: 12.hours(),
-            bitcoin_finality_confirmations: 1,
-            bitcoin_avg_block_time: 5.minutes(),
+            bitcoin_finality_confirmations: 3,
+            bitcoin_avg_block_time: 10.minutes(),
             bitcoin_cancel_timelock: CancelTimelock::new(12),
             bitcoin_punish_timelock: PunishTimelock::new(6),
             bitcoin_network: bitcoin::Network::Testnet,
             monero_avg_block_time: 2.minutes(),
-            monero_finality_confirmations: 10,
+            monero_finality_confirmations: 15,
             monero_network: monero::Network::Stagenet,
         }
     }