Added admin database and used it to create mock data while returning …

README.md

@@ -1,3 +1,8 @@
 # Episode 147 - Testing Firestore Rules with the Emulator
 
 Learn how to test your Firebase security rules using the new Cloud Firestore emulator.
+
+
+### changelog
+Fixing permission errors when adding mock data to firestore 
+as seen in https://github.com/AngularFirebase/147-firestore-emulator-rules-testing/issues/1

spec/helpers.js

@@ -9,11 +9,12 @@ module.exports.setup = async (auth, data) => {
   });
 
   const db = app.firestore();
+  const dbAdmin = firebase.initializeAdminApp({projectId}).firestore();
 
   // Write mock documents before rules
   if (data) {
     for (const key in data) {
-      const ref = db.doc(key);
+      const ref = dbAdmin.doc(key);
       await ref.set(data[key]);
     }
   }