functions logs read --start-time option is missing?

[mrdulin]

Environment details

• @google-cloud/functions-emulator version: ^1.0.0-beta.5

Steps to reproduce

☁  nodejs-serverless-framework [master] ⚡  $(npm bin)/functions logs read -help
Usage:
  functions logs read [options]

Description:
  Show logs produced by functions.

Options:
  --help       Show help                                                                                       [boolean]
  --version    Show version number                                                                             [boolean]
  --limit, -l  Number of log entries to be fetched.                                               [number] [default:20]

Examples:
  functions logs read --limit=10  Display the most recent 10 lines from the logs

Unknown arguments: h, e, p

I follow GCP CF docs: https://cloud.google.com/functions/docs/bestpractices/testing