Adding initialFeePerKb to set it back.

lib/tests/2wp.js

@@ -792,6 +792,7 @@ const execute = (description, getRskHost) => {
       const initialRskSenderBalanceInWeisBN = await rskTxHelper.getBalance(senderRecipientInfo.rskRecipientRskAddressInfo.address);
       const pegoutValueInRbtc = MINIMUM_PEGOUT_AMOUNT_IN_RBTC;
 
+      const initialFeePerKb = Number(await bridge.methods.getFeePerKb().call());
       // We just need to have a feePerKB that will cause the pegout to rejected due to FEE_ABOVE_VALUE reason.
       // This value is way bigger than what we need, but actual calculation is complex and and estimation so we cannot know for sure.
       // That's we we just use a big enough value. The MINIMUM_PEGOUT_AMOUNT_IN_RBTC is perfect for this in this case.