Setup tests

package.json

@@ -10,7 +10,7 @@
     "prebuild": "rm -rf dist",
     "build": "babel -d dist src",
     "lint": "eslint src",
-    "test": "echo \"Error: no test specified\" && exit 1",
+    "test": "ava test",
     "prepublish": "npm run build"
   },
   "babel": {
@@ -46,6 +46,7 @@
   },
   "homepage": "https://github.com/lukechilds/htconvert#readme",
   "devDependencies": {
+    "ava": "^0.15.1",
     "babel-cli": "^6.9.0",
     "babel-plugin-add-module-exports": "^0.2.1",
     "babel-preset-es2015": "^6.9.0",

test/unit.js

@@ -0,0 +1,7 @@
+import test from 'ava';
+
+import htconvert from '../dist/htconvert';
+
+test('htconvert should export a function', t => {
+  t.is(typeof htconvert, 'function');
+});