Fixes broken test suite

package.json

@@ -3,7 +3,7 @@
   "version": "1.0.0",
   "description": "Register *.is-a.dev domains for free",
   "scripts": {
-    "test": "jest",
+    "test": "ENV=test jest",
     "publish-records": "yarn test && node ./scripts/register-domains.js"
   },
   "repository": {

utils/constants.js

@@ -8,12 +8,14 @@ if (!CI) {
 
 const { NC_USER, NC_API_KEY, NC_DOMAIN, IP_ADDRESS } = process.env;
 
+const IS_TEST = ENV === 'test';
+
 module.exports = {
   ENV,
   VALID_RECORD_TYPES: ['CNAME', 'A', 'ALIAS', 'URL'],
   NC_DOMAIN: NC_DOMAIN || 'booboo.xyz',
-  NC_USER,
-  NC_API_KEY,
+  NC_USER: IS_TEST ? 'testuser' : NC_USER,
+  NC_API_KEY: IS_TEST ? 'testkey' : NC_API_KEY,
   IP_ADDRESS,
   TTL: 5*60,
 };