nth-prime: Add JSON test data

Author: clettenberg

nth-prime.json

@@ -0,0 +1,34 @@
+{
+  "#": [
+    "The tests that expect 'false' should be implemented to raise",
+    "an error, or indicate a failure. Implement this in a way that",
+    "makes sense for your language."
+  ],
+  "cases": [
+    {
+       "description": "first",
+       "input": 1,
+       "expected": 2
+    },
+    {
+       "description": "second",
+       "input": 2,
+       "expected": 3
+    },
+    {
+       "description": "sixth prime",
+       "input": 6,
+       "expected": 13
+    },
+    {
+       "description": "big prime",
+       "input": 10001,
+       "expected": 104743
+    },
+    {
+       "description": "weird case",
+       "input": 0,
+       "expected": false
+    }
+  ]
+}