Comment 2 for bug 2020381

Reviewed: https://review.opendev.org/c/starlingx/fault/+/883860
Committed: https://opendev.org/starlingx/fault/commit/6438565a4d9d50f63a0b46e207c5457595abc531
Submitter: "Zuul (22348)"
Branch: master

commit 6438565a4d9d50f63a0b46e207c5457595abc531
Author: Agustin Carranza <email address hidden>
Date: Mon May 22 13:40:34 2023 -0300

    Add parsing check when Context field is empty

    This change adds a parsing check to ERROR if Context field is Empty.
    Until now there had not been a requirement of non empty fields, so in
    case this is needed in the future for other key/values, a collection is
    created.

    Test plan
    PASS: * Add/modify an alarm/log in events.yaml file with Context field
            set to <Empty>.
          * Run the checkEventYaml script and check it fails.
    PASS: * Check that all the events in events.yaml file have the Context
            field set to a non empty value.
          * Run the checkEventYaml script and check it ends successfully.

    Closes-bug: 2020381

    Signed-off-by: Agustin Carranza <email address hidden>
    Change-Id: Ia267886dd49099525751165975fb5d291c0c6f82