scripts: tests: twister_blackbox: Add test test_runner.py
- change name test_qemu.py to test_runner.py
- add test to test_runner.py:
- build_only
- runtest_only
- ninja (dummy test)
- dry_run (dummy test)
- any_platform (dummy test)
- cmake_only
- pre_script (dummy test)
- exclude_platform
- device_flash_timeout (dummy test)
- retry_failed
- retry_interval
- timeout_multiplier
- quarantine_list
- tag
- only_failed
- retry_build_errors
Made required changes to test_testplan.py tests
Signed-off-by: Paszkiet Kamil <kamilx.paszkiet@intel.com>