Comment 0 for bug 1947146

While running the tests for Glance on Centos, the 'qemu-img' is failing due to missing qemu-img command[1]:
~~~
/bin/sh: qemu-img: command not found
{4} glance.tests.functional.test_healthcheck_middleware.HealthcheckMiddlewareTest.test_healthcheck_enabled [6.082316s] ... ok
{2} glance.tests.functional.v2.test_images.TestImages.test_owning_tenant_can_communitize_image [5.017702s] ... ok
{7} glance.tests.functional.test_cache_middleware.TestImageCacheSqlite.test_partial_download_of_cached_images_v2_api [6.331016s] ... ok
{7} glance.tests.functional.test_client_redirects.TestClientRedirects.test_redirect_to_new_host [0.033611s] ... ok
{6} glance.tests.functional.test_logging.TestLogging.test_no_debug [6.030891s] ... ok
{6} glance.tests.functional.test_sqlite.TestSqlite.test_big_int_mapping ... SKIPPED: test requires exe: sqlite3
{5} glance.tests.functional.v2.test_images.TestImageDirectURLVisibility.test_image_direct_url_visible [3.947811s] ... ok
{3} glance.tests.functional.v2.test_images.TestImages.test_image_import_qcow_virtual_size_calculation [5.023139s] ... FAILED

Captured traceback:
~~~~~~~~~~~~~~~~~~~
    Traceback (most recent call last):

      File "/home/zuul/src/opendev.org/openstack/glance/glance/tests/functional/v2/test_images.py", line 959, in test_image_import_qcow_virtual_size_calculation
    fn = self._create_qcow(128 * units.Mi)

      File "/home/zuul/src/opendev.org/openstack/glance/glance/tests/functional/v2/test_images.py", line 911, in _create_qcow
    shell=True)

      File "/usr/lib64/python3.6/subprocess.py", line 356, in check_output
    **kwargs).stdout

      File "/usr/lib64/python3.6/subprocess.py", line 438, in run
    output=stdout, stderr=stderr)

    subprocess.CalledProcessError: Command 'qemu-img create -f qcow2 /tmp/glance-unittest-images-05gx9_p1.qcow2 134217728' returned non-zero exit status 127.
~~~

We need to add qemu-img on the bindep.txt to have it working on Centos.

[1] https://zuul.opendev.org/t/openstack/build/b1e5959024d34af795912478ac9809ff/console