matching brackets: reimplements wrong nested bracket tests (#2071)

* matching brackets: reimplements wrong nested bracket tests

* adds new test instead of reimplementing old one

* changes new test description

Author: kimesf

exercises/matching-brackets/canonical-data.json

@@ -118,6 +118,18 @@
       },
       "expected": false
     },
+    {
+      "uuid": "1d5c093f-fc84-41fb-8c2a-e052f9581602",
+      "description": "paired and wrong nested brackets but innermost are correct",
+      "comments": [
+        "Ensures last opened bracket is not the only one being traced"
+      ],
+      "property": "isPaired",
+      "input": {
+        "value": "[({}])"
+      },
+      "expected": false
+    },
     {
       "uuid": "ef47c21b-bcfd-4998-844c-7ad5daad90a8",
       "description": "paired and incomplete brackets",