def METHOD_NAME(ansible_module, subsystems):
    """
    :id: 2bb0595f-e25c-4ddf-890b-b2e4a3e0323b
    :Title: Test pki-server ca command
    :Description: Test pki-server ca command
    :Requirement: Pki Server CA
    :CaseComponent: \-
    :Setup: Use the subsystems setup in ansible to run subsystem commands
    :ExpectedResults: 
        1. Verify whether pki-server ca command shows ca-cert, ca-clone commands
    """
    try:
        pki_ca_out = ansible_module.command('pki-server {}'.format(subsystems))
        for result in pki_ca_out.values():
            if subsystems == 'ca':
                assert "ca-cert                       CA certificates management commands" in \
                       result['stdout']
                assert "ca-clone                      CA clone management commands" in \
                       result['stdout']
                assert "ca-audit                      Audit management commands" in result['stdout']
            elif subsystems == 'kra':
                assert "kra-clone                     KRA clone management commands" in \
                       result['stdout']
                assert "kra-db                        KRA database management commands" in \
                       result['stdout']
                assert "kra-audit                     Audit management commands" in result['stdout']
            elif subsystems == 'ocsp':
                assert "ocsp-clone                    OCSP clone management commands" in \
                       result['stdout']
                assert "ocsp-audit                    Audit management commands" in result['stdout']
            elif subsystems == 'tks':
                assert "tks-clone                     TKS clone management commands" in \
                       result['stdout']
                assert "tks-audit                     Audit management commands" in result['stdout']
            elif subsystems == 'tps':
                assert "tps-clone                     TPS clone management commands" in \
                       result['stdout']
                assert "tps-db                        TPS database management commands" in \
                       result['stdout']
                assert "tps-audit                     Audit management commands" in result['stdout']
    except CalledProcessError:
        pytest.xfail("Failed to run pki-server ca command.")