fix(utils): extend ignored errors for testnet

Extended the list of ignored errors for testnet to include
TracePromoteWarmBigLedgerPeerAborted. This helps in handling
additional error scenarios where clients might be old or using
incorrect network magic.

Author: mkoura

cardano_node_tests/utils/logfiles.py

@@ -69,9 +69,14 @@
     ERRORS_IGNORED.append("TraceBlockFromFuture")
 
 if cluster_nodes.get_cluster_type().type == cluster_nodes.ClusterType.TESTNET:
-    # We can get these errors on testnets when some clients are old, or are using wrong
-    # network magic.
-    ERRORS_IGNORED.append("TrHandshakeClientError")
+    ERRORS_IGNORED.extend(
+        (
+            # We can get this error when some clients are old, or are using wrong
+            # network magic.
+            "TrHandshakeClientError",
+            "TracePromoteWarmBigLedgerPeerAborted",
+        )
+    )
 
 # Errors that are ignored if there are expected messages in the log file before the error
 ERRORS_LOOK_BACK_LINES = 10