RPM Support

Locally the error message is like this:

======================================================================
ERROR: test_on_demand_policies (pulp_rpm.tests.functional.api.test_consume_content.PackageManagerConsumeTestCase)
Verify whether content on demand synced can be consumed.
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/vagrant/devel/pulp_rpm/pulp_rpm/tests/functional/api/test_consume_content.py", line 51, in test_on_demand_policies
    self.do_test(policy)
  File "/home/vagrant/devel/pulp_rpm/pulp_rpm/tests/functional/api/test_consume_content.py", line 90, in do_test
    '--setopt=gpgcheck=0', repo_id))
  File "/usr/local/lib/pulp/lib64/python3.7/site-packages/pulp_smash/cli.py", line 306, in run
    return self.response_handler(completed_process)
  File "/usr/local/lib/pulp/lib64/python3.7/site-packages/pulp_smash/cli.py", line 56, in code_handler
    completed_proc.check_returncode()
  File "/usr/local/lib/pulp/lib64/python3.7/site-packages/pulp_smash/cli.py", line 131, in check_returncode
    self.args, self.returncode, self.stdout, self.stderr
pulp_smash.exceptions.CalledProcessError: Command ('dnf', 'config-manager', '--save', '--setopt=gpgcheck=0', '*dcfe5265-6afa-439a-8556-112960e0c0f0') returned non-zero exit status 1.

stdout: 

stderr: Error: This command has to be run under the root user.