Add "Connection refused" to allowedErrorsDuringEmergencyMode

testutil/e2e/allowedErrorList.go

@@ -13,6 +13,7 @@ var allowedErrors = map[string]string{
 
 var allowedErrorsDuringEmergencyMode = map[string]string{
 	"connection refused":           "Connection to tendermint port sometimes can happen as we shut down the node and we try to fetch info during emergency mode",
+	"Connection refused":           "Connection to tendermint port sometimes can happen as we shut down the node and we try to fetch info during emergency mode",
 	"connection reset by peer":     "Connection to tendermint port sometimes can happen as we shut down the node and we try to fetch info during emergency mode",
 	"Failed Querying EpochDetails": "Connection to tendermint port sometimes can happen as we shut down the node and we try to fetch info during emergency mode",
 }