Backtesting Out of Sample Period

[AlexCatarino]

Expected Behavior

The following feature is documented:

on https://www.quantconnect.com/docs/v2/cloud-platform/organizations/resources, and https://www.quantconnect.com/docs/v2/cloud-platform/backtesting/deployment We probably need it on https://www.quantconnect.com/docs/v2/cloud-platform/backtesting/getting-started so members won't miss it.

Actual Behavior

Not documented.

Checklist

• [x] I have completely filled out this template
• [x] I have confirmed that this issue exists on the current master branch
• [x] I have confirmed that this is not a duplicate issue by searching issues