Fix system tests

[zFernand0]

What It Does

Fixed the following integration tests 🙏

FAILED tests/integration/test_zos_files.py::TestFilesIntegration::test_copy_uss_to_data_set_should_be_possible - zowe.core_for_zowe_sdk.exceptions.RequestFailed: HTTP Request has failed with status code 404.
FAILED tests/integration/test_zos_files.py::TestFilesIntegration::test_get_file_content_streamed_should_return_response_content - zowe.core_for_zowe_sdk.exceptions.RequestFailed: HTTP Request has failed with status code 404.
FAILED tests/integration/test_zos_files.py::TestFilesIntegration::test_mount_unmount_zfs_file_system - zowe.core_for_zowe_sdk.exceptions.RequestFailed: HTTP Request has failed with status code 500.
FAILED tests/integration/test_zos_tso.py::TestTsoIntegration::test_issue_command_should_return_valid_response - KeyError: 'tsoData'

How to Test

Run integration tests 🙏

Review Checklist
I certify that I have:

• tested my changes
• added/updated automated tests
• updated the changelog
• created/ran system tests (provide build number if applicable) (362)
• followed the contribution guidelines

Additional Comments

Also add unit and integration test configuration to suppress SDK messages 🙏

Final results

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 82.11%. Comparing base (f6d2959) to head (c1c34c8).
⚠️ Report is 8 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #401   +/-   ##
=======================================
  Coverage   82.11%   82.11%           
=======================================
  Files          49       49           
  Lines        2919     2919           
=======================================
  Hits         2397     2397           
  Misses        522      522           

Flag	Coverage Δ
unittests	82.11% <100.00%> (ø)

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[traeok]

Thanks Fernando! Changes LGTM