See 2/6 for explanation.

Michal Prívozník (6):
  nodedevmdevctltest: Rename mdevctl-list-empty test case
  nodeDeviceParseMdevctlJSON: Accept empty string
  nodedevmdevctltest: Introduce a test case for empty mdevctl output
  node_device_driver: Deduplicate mediated devices listing
  virMdevctlList: Don't check for !output
  virjsontest: Introduce a test case for an empty array

 src/node_device/node_device_driver.c          | 40 ++++++-------------
 .../mdevctl-list-empty-array.json             |  1 +
 .../mdevctl-list-empty-array.out.xml          |  0
 .../mdevctl-list-empty.json                   |  1 -
 tests/nodedevmdevctltest.c                    |  1 +
 tests/virjsontest.c                           |  1 +
 6 files changed, 16 insertions(+), 28 deletions(-)
 create mode 100644 tests/nodedevmdevctldata/mdevctl-list-empty-array.json
 create mode 100644 tests/nodedevmdevctldata/mdevctl-list-empty-array.out.xml