update ZAM_Ramp scenario

scenarios/hand-crafted/ZAM_Ramp-1_1-T-1.xml

@@ -418,7 +418,7 @@
       </point>
       <lineMarking>solid</lineMarking>
     </rightBound>
-    <successor ref="2"/>
+    <successor ref="3"/>
     <laneletType>interstate</laneletType>
     <laneletType>accessRamp</laneletType>
     <userOneWay>vehicle</userOneWay>
@@ -1732,8 +1732,8 @@
       <lineMarking>solid</lineMarking>
     </rightBound>
     <predecessor ref="3"/>
-    <successor ref="3"/>
-    <adjacentLeft ref="8" drivingDir="same"/>
+    <successor ref="8"/>
+    <adjacentLeft ref="7" drivingDir="same"/>
     <laneletType>interstate</laneletType>
     <laneletType>accessRamp</laneletType>
     <userOneWay>vehicle</userOneWay>