always return incorrect details on probes

intercept.go

@@ -75,15 +75,9 @@ func intercept(reqPaymentHash []byte, reqOutgoingAmountMsat uint64, reqOutgoingE
 					}, nil
 				}
 			} else { //probing
-				failureCode := FAILURE_TEMPORARY_CHANNEL_FAILURE
-				isConnected, _ := client.IsConnected(destination)
-				if isConnected {
-					failureCode = FAILURE_INCORRECT_OR_UNKNOWN_PAYMENT_DETAILS
-				}
-
 				return interceptResult{
 					action:      INTERCEPT_FAIL_HTLC_WITH_CODE,
-					failureCode: failureCode,
+					failureCode: FAILURE_INCORRECT_OR_UNKNOWN_PAYMENT_DETAILS,
 				}, nil
 			}
 		}

itest/probing_test.go

@@ -70,5 +70,5 @@ func testProbing(p *testParams) {
 	_, err = alice.PayViaRoute(outerAmountMsat, fakePaymentHash, outerInvoice.paymentSecret, route)
 
 	// Expect temporary channel failure if the peer is offline
-	assert.Contains(p.t, err.Error(), "WIRE_TEMPORARY_CHANNEL_FAILURE")
+	assert.Contains(p.t, err.Error(), "WIRE_INCORRECT_OR_UNKNOWN_PAYMENT_DETAILS")
 }