added test refs #21, #17707

Author: namdre

tests/tools/trigger/generateRerouters/multiple_upstream_paths/additional.tools

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<!-- generated on 2026-03-11 15:07:29.834070 by Eclipse SUMO generateRerouters.py v1_26_0+0540-1246c991cdb
+<configuration>
+    <net-file value="net.net.xml"/>
+    <output-file value="out.add.xml"/>
+    <closed-edges value="B2C2,E3"/>
+</configuration>
+-->
+
+<additional xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="http://sumo.dlr.de/xsd/additional_file.xsd">
+   <rerouter id="rr" edges="E14">
+      <interval begin="0" end="86400">
+          <closingReroute id="B2C2" allow="authority"/>
+          <closingReroute id="E3" allow="authority"/>
+       </interval>
+   </rerouter>
+</additional>

tests/tools/trigger/generateRerouters/multiple_upstream_paths/errors.tools

@@ -0,0 +1,3 @@
+-n net.net.xml -o out.add.xml 
+-x B2C2,E3
+tools/generateRerouters.py

tests/tools/trigger/generateRerouters/multiple_upstream_paths/net.net.xml

@@ -25,3 +25,6 @@ allow_multiple
 
 # see #17707
 loopback
+
+# see #17707
+multiple_upstream_paths