It's frustrating when windows open
during a test and remain after the test
is over.
JIRA issue: ROSTESTS-402
- Delete closewnd.cpp. Enhance
closewnd.h.
- Modify ShellExecCmdLine,
ShellExec_RunDLL, ShellExecuteEx,
and ShellExecuteW testcases.
- Certainly close the newly-opened
windows.