[v5,00/12] Rework iotests/check

Hi all!

These series has 3 goals:

 - get rid of group file
 - introduce human-readable names for tests
 - rewrite check into python

v5: [rebase on master]
02: new
03: updated
05,06: new
07: updated
09: rebased on master:
  vxhs removed
  qemu_prog path changed
  build_iotests path calculation changed
  handle mega2560 and gdbsim-r5f562n8 machines

Mark last patch as RFC: it's OK to postpone it for a while.
Also, patches 01-06 are simple cleanups and may be merged in separate.

Vladimir Sementsov-Ogievskiy (12):
  iotests/277: use dot slash for nbd-fault-injector.py running
  iotests/303: use dot slash for qcow2.py running
  iotests: fix some whitespaces in test output files
  iotests/283: make executable
  iotests/299: make executable
  iotests/294: add shebang line
  iotests: define group in each iotest
  iotests: add findtests.py
  iotests: add testenv.py
  iotests: add testrunner.py
  iotests: rewrite check into python
  iotests: rename and move 169 and 199 tests

 docs/devel/testing.rst                        |  50 +-
 tests/qemu-iotests/001                        |   1 +
 tests/qemu-iotests/002                        |   1 +
 tests/qemu-iotests/003                        |   1 +
 tests/qemu-iotests/004                        |   1 +
 tests/qemu-iotests/005                        |   1 +
 tests/qemu-iotests/007                        |   1 +
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 tests/qemu-iotests/009                        |   1 +
 tests/qemu-iotests/010                        |   1 +
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 tests/qemu-iotests/012                        |   1 +
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 tests/qemu-iotests/014                        |   1 +
 tests/qemu-iotests/015                        |   1 +
 tests/qemu-iotests/017                        |   1 +
 tests/qemu-iotests/018                        |   1 +
 tests/qemu-iotests/019                        |   1 +
 tests/qemu-iotests/020                        |   1 +
 tests/qemu-iotests/021                        |   1 +
 tests/qemu-iotests/022                        |   1 +
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 tests/qemu-iotests/175.out                    |   2 +-
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 tests/qemu-iotests/271.out                    |  12 +-
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 tests/qemu-iotests/287.out                    |  10 +-
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 tests/qemu-iotests/305                        |   1 +
 tests/qemu-iotests/307                        |   1 +
 tests/qemu-iotests/check                      | 977 +-----------------
 tests/qemu-iotests/findtests.py               | 229 ++++
 tests/qemu-iotests/group                      | 317 ------
 tests/qemu-iotests/testenv.py                 | 325 ++++++
 tests/qemu-iotests/testrunner.py              | 351 +++++++
 .../migrate-bitmaps-postcopy-test}            |   1 +
 .../migrate-bitmaps-postcopy-test.out}        |   0
 .../{169 => tests/migrate-bitmaps-test}       |   1 +
 .../migrate-bitmaps-test.out}                 |   0
 299 files changed, 1285 insertions(+), 1281 deletions(-)
 mode change 100644 => 100755 tests/qemu-iotests/283
 mode change 100644 => 100755 tests/qemu-iotests/299
 create mode 100755 tests/qemu-iotests/findtests.py
 delete mode 100644 tests/qemu-iotests/group
 create mode 100755 tests/qemu-iotests/testenv.py
 create mode 100644 tests/qemu-iotests/testrunner.py
 rename tests/qemu-iotests/{199 => tests/migrate-bitmaps-postcopy-test} (99%)
 rename tests/qemu-iotests/{199.out => tests/migrate-bitmaps-postcopy-test.out} (100%)
 rename tests/qemu-iotests/{169 => tests/migrate-bitmaps-test} (99%)
 rename tests/qemu-iotests/{169.out => tests/migrate-bitmaps-test.out} (100%)