diff --git a/package.json b/package.json
new file mode 100644
index 0000000..68fc437
--- /dev/null
+++ b/package.json
@@ -0,0 +1,8 @@
+{
+  "devDependencies": {
+    "bats": "^1.1.0"
+  },
+  "scripts": {
+    "test": "bats tests"
+  }
+}
diff --git a/yarn.lock b/yarn.lock
new file mode 100644
index 0000000..74b9b82
--- /dev/null
+++ b/yarn.lock
@@ -0,0 +1,8 @@
+# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
+# yarn lockfile v1
+
+
+bats@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/bats/-/bats-1.1.0.tgz#6fc44f283ed4e7af2b6ffac93ec5026a1acbdc66"
+  integrity sha512-1pA29OhDByrUtAXX+nmqZxgRgx2y8PvuZzbLJVjd2dpEDVDvz0MjcBMdmIPNq5lC+tG53G+RbeRsbIlv3vw7tg==