word-search: Add test case

Author: mariohuq

exercises/word-search/canonical-data.json

@@ -1001,6 +1001,46 @@
         },
         "haskell": null
       }
+    },
+    {
+      "uuid": "fda5b937-6774-4a52-8f89-f64ed833b175",
+      "description": "Should fail to locate words that are not on horizontal, vertical, or diagonal lines",
+      "comments": [
+        "This test case filters out solutions,",
+        "those are give false positive results,",
+        "that are likely to achieve by considering linear paths other than horizontal, vertical or diagonal, e.g.",
+        "",
+        "```",
+        "[a][ ][ ]",
+        "[ ][e][f]",
+        "```",
+        "",
+        "or",
+        "",
+        "```",
+        "[a][b][ ]",
+        "[ ][ ][f]",
+        "```"
+      ],
+      "property": "search",
+      "input": {
+        "grid": [
+          "abc",
+          "def"
+        ],
+        "wordsToSearchFor": [
+          "aef",
+          "ced",
+          "abf",
+          "cbd"
+        ]
+      },
+      "expected": {
+        "aef": null,
+        "ced": null,
+        "abf": null,
+        "cbd": null
+      }
     }
   ]
 }