[6.14.z] Wait for product HTTP Proxy update to finish

[Satellite-QE]

Cherrypick of PR: #14269

Problem Statement

CLI test_positive_assign_http_proxy_to_products is flaky, it looks like the repo properties were not set in time (of assertion).

Solution

Wait for the Update repo tasks to finish.

PRT test Cases example

trigger: test-robottelo
pytest: tests/foreman/cli/test_http_proxy.py -k test_positive_assign_http_proxy_to_products

[Satellite-QE]

trigger: test-robottelo
pytest: tests/foreman/cli/test_http_proxy.py

[Satellite-QE]

PRT Result

Build Number: 5976
Build Status: SUCCESS
PRT Comment: pytest tests/foreman/cli/test_http_proxy.py --external-logging
Test Result : =========== 3 passed, 2 deselected, 54 warnings in 845.14s (0:14:05) ===========