Fix aliases not being shown for disambiguation in utils.at_search_result()

Also correct misplaced 'if' used to avoid '[]' in the case of no aliases
and update unit tests.

evennia/contrib/rpg/rpsystem/tests.py

@@ -6,6 +6,7 @@ import time
 
 from anything import Anything
 from evennia import DefaultObject, create_object, default_cmds
+from evennia.commands.default import building
 from evennia.commands.default.tests import BaseEvenniaCommandTest
 from evennia.utils.test_resources import BaseEvenniaTest
 
@@ -413,10 +414,9 @@ class TestRPSystemCommands(BaseEvenniaCommandTest):
 
         expected_first_call = [
             "More than one match for 'Mushroom' (please narrow target):",
-            f" Mushroom-1 []",
-            f" Mushroom-2 []",
+            f" Mushroom-1",
+            f" Mushroom-2",
         ]
-
         self.call(default_cmds.CmdLook(), "Mushroom", "\n".join(expected_first_call))  # PASSES
 
         expected_second_call = f"Mushroom(#{mushroom1.id})\nThe first mushroom is brown."
@@ -424,3 +424,13 @@ class TestRPSystemCommands(BaseEvenniaCommandTest):
 
         expected_third_call = f"Mushroom(#{mushroom2.id})\nThe second mushroom is red."
         self.call(default_cmds.CmdLook(), "Mushroom-2", expected_third_call)  # FAILS
+
+        expected_fourth_call = "Alias(es) for 'Mushroom' set to 'fungus'."
+        self.call(building.CmdSetObjAlias(), "Mushroom-1 = fungus", expected_fourth_call) #PASSES
+
+        expected_fifth_call = [
+            "More than one match for 'Mushroom' (please narrow target):",
+            f" Mushroom-1 [fungus]",
+            f" Mushroom-2",
+        ]
+        self.call(default_cmds.CmdLook(), "Mushroom", "\n".join(expected_fifth_call)) # PASSES