Test that it respects the es-shim-api interface

Author: nicolo-ribaudo

package.json

@@ -29,19 +29,18 @@
 		"url": "https://github.com/mathiasbynens/String.prototype.codePointAt.git"
 	},
 	"bugs": "https://github.com/mathiasbynens/String.prototype.codePointAt/issues",
-	"files": [
-		"LICENSE-MIT.txt",
-		"codepointat.js"
-	],
 	"scripts": {
-		"test": "node tests/tests.js",
+		"pretest": "es-shim-api --bound",
+		"test": "npm run tests-only",
+		"tests-only": "node tests/tests.js",
 		"cover": "istanbul cover --report html --verbose --dir coverage tests/tests.js"
 	},
-    "dependencies": {
+	"dependencies": {
 		"define-properties": "^1.1.3",
 		"es-abstract": "^1.17.5"
-    },
+	},
 	"devDependencies": {
+		"@es-shims/api": "^2.1.2",
 		"istanbul": "^0.4.5"
 	}
 }