ceph-volume: address test_activate_dmcrypt_tpm

This mocks the call to `luks_close()`, otherwise this test
fails when run on a system where `cryptsetup` isn't available.

Signed-off-by: Guillaume Abrioux <[email protected]>

Author: guits

src/ceph-volume/ceph_volume/tests/objectstore/test_rawbluestore.py

@@ -159,6 +159,7 @@ def test_activate_osd_id_and_fsid(self,
 
     @patch('ceph_volume.objectstore.rawbluestore.encryption_utils.rename_mapper', Mock(return_value=MagicMock()))
     @patch('ceph_volume.util.disk.get_bluestore_header')
+    @patch('ceph_volume.objectstore.rawbluestore.encryption_utils.luks_close', Mock(return_value=MagicMock()))
     @patch('ceph_volume.objectstore.rawbluestore.encryption_utils.luks_open', Mock(return_value=MagicMock()))
     def test_activate_dmcrypt_tpm(self, m_bs_header, rawbluestore, fake_lsblk_all, mock_raw_direct_report, is_root) -> None:
         m_bs_header.return_value = {