add test case to Basic Algorithm Scripting: Confirm the Ending (freeC…

…odeCamp#14000)

Current checks do not cover use cases where target string is found elsewhere in the original string.
closes freeCodeCamp#13944

seed/challenges/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting.json

@@ -375,6 +375,7 @@
       ],
       "tests": [
         "assert(confirmEnding(\"Bastian\", \"n\") === true, 'message: <code>confirmEnding(\"Bastian\", \"n\")</code> should return true.');",
+        "assert(confirmEnding(\"Congratulation\", \"on\") === true, 'message: <code>confirmEnding(\"Congratulation\", \"on\")</code> should return true.');",
         "assert(confirmEnding(\"Connor\", \"n\") === false, 'message: <code>confirmEnding(\"Connor\", \"n\")</code> should return false.');",
         "assert(confirmEnding(\"Walking on water and developing software from a specification are easy if both are frozen\", \"specification\") === false, 'message: <code>confirmEnding(\"Walking on water and developing software from a specification are easy if both are frozen\"&#44; \"specification\"&#41;</code> should return false.');",
         "assert(confirmEnding(\"He has to give me a new name\", \"name\") === true, 'message: <code>confirmEnding(\"He has to give me a new name\", \"name\")</code> should return true.');",