Update mocha options

package.json

@@ -90,5 +90,10 @@
   },
   "engines": {
     "node": ">=10.12.0"
+  },
+  "mocha": {
+    "require": "ts-node/register",
+    "extension": ["ts"],
+    "files": "test/**/*.ts"
   }
-}
+}

test/mocha.opts

@@ -1,2 +0,0 @@
---require ts-node/register
-test/**/*.ts