[6.15.z] Add test case for CCV promotion to a non-default LCE

[Satellite-QE]

Cherrypick of PR: #15068

Problem Statement

Coverage for BZ#2153523 is missing.

Solution

This PR.

PRT test Cases example

trigger: test-robottelo
pytest: tests/foreman/cli/test_contentview.py -k pattern

[Satellite-QE]

trigger: test-robottelo
pytest: tests/foreman/cli/test_contentview.py -k pattern

[Satellite-QE]

PRT Result

Build Number: 7049
Build Status: SUCCESS
PRT Comment: pytest tests/foreman/cli/test_contentview.py -k pattern --external-logging
Test Result : ========= 1 passed, 117 deselected, 126 warnings in 882.15s (0:14:42) ==========

[shweta83]

@vsedmik Can you please check why CI checks are failing with division by zero error?

[vsedmik]

@vsedmik Can you please check why CI checks are failing with division by zero error?

Not sure, the CP was clear (1:1 with master), PRT passed, let's try re-run.

[vsedmik]

So it passed @shweta83