[6.14.z][Sanity Testing] Capsule Sanity Testing for capsule sync (#16558)

[jyejare]

CherryPick of #16558

Problem Statement

• The capsule sanity support has been added in [Combined Jenkins Ask] Capsule testing for sanity #15948
• The capsule sync test was asked to cover as the DEVs build test was covering it.

Solution

• The support is added for capsule sync.

Related Issues

[jyejare]

trigger: test-robottelo
pytest: tests/foreman/installer/test_installer.py -m build_sanity
env:
    ROBOTTELO_server__deploy_arguments__deploy_sat_version: '6.14'
    ROBOTTELO_server__version__source = 'nightly'
    ROBOTTELO_capsule__version__source = 'nightly'
    ROBOTTELO_robottelo__satellite_version = '6.14'
    ROBOTTELO_server__version__release = '6.14'

[devendra104]

@jyejare PRT is failing in the test collection, Can you check into that?

[jyejare]

trigger: test-robottelo
pytest: tests/foreman/installer/test_installer.py -m build_sanity
env:
ROBOTTELO_server__deploy_arguments__deploy_sat_version: "'6.14'"
ROBOTTELO_server__version__source: 'nightly'
ROBOTTELO_capsule__version__source: 'nightly'
ROBOTTELO_robottelo__satellite_version: "'6.14'"
ROBOTTELO_server__version__release: "'6.14'"

[jyejare]

Here are the results from Jenkins Run:

========= 2 passed, 22 deselected, 243 warnings in 2669.80s (0:44:29) ==========

The job failed in non-test execution stages and hence not linked to this PRs PRT.
So now we are good to merge it.