Issue 54094: escape form field names ending with "\"

Author: labkey-nicka

src/org/labkey/test/tests/list/ListTest.java

@@ -1054,7 +1054,7 @@ public void listSelfJoinTest()
         final String dummyCol = dummyBase + TRICKY_CHARACTERS;
         final String lookupField = "lookupField" + TRICKY_CHARACTERS;
         final String lookupSchema = "lists";
-        final String keyCol = "Key &%<+";
+        final String keyCol = "Key &%<+\\"; // Issue 54094: Verify key field ending with "\"
 
         log("Issue 6883: test list self join");