RemoteConfig.remoteConfig().fetch return .success while the app is offline

[julienbodet]

Describe your environment

• Xcode version: 11.0 (11A420a)
• Firebase SDK version: 6.10.0
• Firebase Component: Remote Config
• Component version: 6.10.0

Describe the problem

RemoteConfig.remoteConfig().fetch returns a .success status (FIRRemoteConfigFetchStatus) even though I disabled the internet connection.

Note: I never configured defaults via setDefaults, and I ran the app for the first time to be sure no previous config was cached.

Steps to reproduce:

• Create a new project importing Firebase/RemoteConfig through Cocoapods
• Follow this guide by skipping the step 2 consisting of setting in-app defaults.
• Disable the internet connection
• Run the app, the remote config is fetched

What happened? How can we make the problem occur?
I got a .success status and a nil error even though the app is offline and I didn't set any defaults. I expect to get an error instead.

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[rizafran]

Thanks for reporting @julienbodet. I was able to get the same behavior, and I'll file this internally to see what's causing the issue. I'll let you know once I have an update.