fix: fixed the test's name

rskj-core/src/test/java/co/rsk/peg/RegisterBtcTransactionIT.java

@@ -130,7 +130,7 @@ void registerBtcTransaction_forALegacyBtcTransaction_shouldRegisterTheNewUtxoAnd
     }
 
     @Test
-    void registerBtc_forARepeatedLegacyBtcTransaction_shouldNotPerformAnyChange() throws Exception {
+    void registerBtcTransaction_forARepeatedLegacyBtcTransaction_shouldNotPerformAnyChange() throws Exception {
         // Arrange
         bridgeSupport.registerBtcTransaction(rskTx, bitcoinTransaction.bitcoinSerialize(), btcBlockWithPmtHeight, pmtWithTransactions.bitcoinSerialize());
         bridgeSupport.save();