- non-existing suite dir
--- -: ERR: RuntimeError: Suite not found: 'does_not_exist' in ./suite_test/.
- no suite.conf
cnf empty_dir: DBG: reading suite.conf  [empty_dir↪empty_dir]
--- ./suite_test/./empty_dir/suite.conf: ERR: FileNotFoundError: [Errno 2] No such file or directory: './suite_test/./empty_dir/suite.conf'  [empty_dir↪./suite_test/./empty_dir/suite.conf]
- valid suite dir
cnf test_suite: DBG: reading suite.conf  [test_suite↪test_suite]
defaults:
  timeout: 60s
resources:
  bts:
  - times: '1'
  modem:
  - times: '2'
  nitb_iface:
  - times: '1'

- run hello world test
tst test_suite: reserving resources...
--- (want='bts'): DBG: Looking for 1 x bts , candidates: 3
--- (want='bts'): DBG: Picked - _hash: 07d9c8aaa940b674efcbbabdd69f58a6ce4e94f9
  addr: 10.42.42.114
  band: GSM-1800
  ipa_unit_id: '1'
  label: sysmoBTS 1002
  type: sysmo
--- (want='modem'): DBG: Looking for 2 x modem , candidates: 16
--- (want='modem'): DBG: Picked - _hash: 19c69e45aa090fb511446bd00797690aa82ff52f
  imsi: '901700000007801'
  ki: D620F48487B1B782DA55DF6717F08FF9
  label: m7801
  path: /wavecom_0
- _hash: e1a46516a1fb493b2617ab14fc1693a9a45ec254
  imsi: '901700000007802'
  ki: 47FDB2D55CE6A10A85ABDAD034A5B7B3
  label: m7802
  path: /wavecom_1
--- (want='nitb_iface'): DBG: Looking for 1 x nitb_iface , candidates: 3
--- (want='nitb_iface'): DBG: Picked - _hash: cde1debf28f07f94f92c761b4b7c6bf35785ced4
  addr: 10.42.42.1
tst hello_world.py: START  [test_suite↪hello_world.py]
tst hello_world.py:3: hello world  [test_suite↪hello_world.py:3]
tst hello_world.py:4: I am 'test_suite' / 'hello_world.py:4'  [test_suite↪hello_world.py:4]
tst hello_world.py:5: one  [test_suite↪hello_world.py:5]
tst hello_world.py:5: two  [test_suite↪hello_world.py:5]
tst hello_world.py:5: three  [test_suite↪hello_world.py:5]
tst hello_world.py: PASS  [test_suite↪hello_world.py]
pass: all 1 tests passed.

- a test with an error
tst test_error.py: START  [test_suite↪test_error.py]  [suite.py:96]
tst test_error.py:3: I am 'test_suite' / 'test_error.py:3'  [test_suite↪test_error.py:3]  [test_error.py:3]
tst test_error.py:5: FAIL  [test_suite↪test_error.py:5]  [suite.py:108]
tst test_error.py:5: ERR: AssertionError:   [test_suite↪test_error.py:5]  [test_error.py:5: assert False]
FAIL: 1 of 1 tests failed:
  test_error.py

- graceful exit.