[6.16.z] fix tests from repositories component

[Satellite-QE]

Cherrypick of PR: #16227

Problem Statement

[6.16.0] TFA - Compoenent repositories has few tests failing with minor issue, DISTRIBUTOR_CONFLICT , Assertion Error, etc
api/test_product.py::test_positive_filter_product_list
api/test_repositories.py::test_negative_upload_expired_manifest
api/test_repositories.py::test_positive_sync_mulitple_large_repos

Solution

This PR will address those failures

Related Issues

N/A

PRT test Cases example

trigger: test-robottelo
pytest: tests/foreman/api/test_product.py::test_positive_filter_product_list

trigger: test-robottelo
pytest: tests/foreman/api/test_repositories.py::test_negative_upload_expired_manifest

trigger: test-robottelo
pytest: tests/foreman/api/test_repositories.py::test_positive_sync_mulitple_large_repos

[Satellite-QE]

trigger: test-robottelo
pytest: tests/foreman/api/test_repositories.py

[Satellite-QE]

PRT Result

Build Number: 8703
Build Status: SUCCESS
PRT Comment: pytest tests/foreman/api/test_repositories.py --external-logging
Test Result : ================ 13 passed, 375 warnings in 1982.35s (0:33:02) =================