Add API proxy test (no cassette yet)

tests/test_apiproxy.py

@@ -220,6 +220,20 @@ def test_get_current_user(self):
         self.assertTrue("first_name" in user)
         self.assertTrue("last_name" in user)
 
+    @dastollervey_datasaver
+    def test_get_users(self):
+        users = self.api.get_users()
+        for user in users:
+            # Assert expected fields are present
+            assert hasattr(user, "first_name")
+            assert hasattr(user, "last_name")
+            # Every user has a non-empty name and UUID
+            assert user.username
+            assert user.uuid
+            # The API should never return these fields
+            assert not hasattr(user, "last_login")
+            assert not hasattr(user, "is_admin")
+
     @dastollervey_datasaver
     def test_error_unencrypted_reply(self):
         s = self.api.get_sources()[0]