Add a couple of extra auth/user tests

Author: dmurvihill

test/unit/auth.js

@@ -931,6 +931,18 @@ describe('Auth', function () {
         .then(updatedUser => expect(updatedUser).to.deep.equal(newUser));
     });
 
+    it('preserves deep equality of users', () => {
+      ref.createUser(new User(ref, {
+        uid: 'kato',
+        email: '[email protected]',
+      }));
+      return ref.getUser('kato').then(oldUser => {
+        ref.updateUser(oldUser)
+          .then(ref.getUser('kato'))
+          .then(newUser => expect(expect(oldUser).to.deep.equal(newUser)));
+      });
+    });
+
     it('should select by uid', () => {
       const uid = 456;
       const email = '[email protected]';

test/unit/user.js

@@ -97,6 +97,16 @@ describe('User', function() {
       u1._auth.autoFlush(false);
       expect(u2._auth.flushDelay).to.equal(u1._auth.flushDelay);
    });
+
+    it('preserves deep equality', () => {
+      const user = new User(auth, {
+        customClaims: {
+          'a': 1,
+        },
+      });
+      clock.tick(1000);
+      expect(user.clone()).to.deep.equal(user);
+    });
   });
 
   describe('#delete', function() {