Comment 5 for bug 1886956

Reviewed: https://review.opendev.org/757573
Committed: https://git.openstack.org/cgit/openstack/neutron/commit/?id=b0892ec3f76d4f22364eaad9dc353dd5b3e406dc
Submitter: Zuul
Branch: stable/ussuri

commit b0892ec3f76d4f22364eaad9dc353dd5b3e406dc
Author: Slawek Kaplonski <email address hidden>
Date: Thu Jul 9 15:19:03 2020 +0200

    [Functional] Add logging to the check test file function

    In the functional tests module which is testing WSGI Server, there
    is used function to assert that file created by the WSGI service is
    created and has got correct size.
    This function wasn't logging anything so in case of test failure
    there was no way to check why it really failed.

    This patch adds some log messages to the check so it will be clear
    if file wasn't created at all or if size was not as expected.

    Change-Id: Ib610b8513b4ea888a540873b26c3f205ac575b17
    Related-Bug: #1886956
    (cherry picked from commit 0c55ab9c78df028e9e321a3f8dea59ede217fef8)