Making the tests trustworthy.
JIRA issue: ROSTESTS-389
- Enable command line checking.
- Rewrite the tests for better tests.
- Remove dependency with shell32_apitest_sub.
- Close the newly opened windows by Alt+F4 at ending.
fixes CORE-18967 'Taskbar toolbar - Right click > Open folder fails'
by restoring the code-path we removed with the guilty
0.4.15-dev-3847-g /9b716539182864bc077e362febcda74da50287ed
and add test_sei_lpIDList to shell32:ShellExecuteEx apitest test to protect
that functionality on future attempts to simplify.