Add test case for bug #17961 and bug #18686 to test scenario

data/scenario-test.cfg

@@ -2,6 +2,9 @@
 [binary_path]
     path=data/campaigns/Under_the_Burning_Suns
 [/binary_path]
+[binary_path]
+    path=data/campaigns/The_Rise_Of_Wesnoth
+[/binary_path]
 [+units]
     {campaigns/Under_the_Burning_Suns/units/elves/Kaleh.cfg}
 [/units]
@@ -338,6 +341,21 @@ Xu          , Xu          , Qxu         , Qxu         , Ql          , Ql
                 [/object]
             [/modifications]
         [/unit]
+        [unit]
+            x,y=20,5
+            type="Ancient Wose"
+            id="rithrandil"
+            name="Rithrandil"
+            profile="portraits/rithrandil.png"
+            [modifications]
+                [object]
+                    [effect]
+                        apply_to=movement
+                        set=0
+                    [/effect]
+                [/object]
+            [/modifications]
+        [/unit]
     [/side]
     [side]
         side=3
@@ -371,6 +389,21 @@ Xu          , Xu          , Qxu         , Qxu         , Ql          , Ql
         text="Explore the map"
     [/label]
 
+    [event]
+        name=moveto
+        [filter]
+            side=1
+            [filter_adjacent]
+                id=rithrandil
+            [/filter_adjacent]
+        [/filter]
+
+        [message]
+            id=rithrandil
+            message="Hello there"
+        [/message]
+    [/event]
+
 #ifdef DEBUG_MODE
     [event]
         name=select