[PATCH 4/4] ntoskrnl.exe: Add work item tests.

[Jacek Caban]

Signed-off-by: Jacek Caban <jacek(a)codeweavers.com>
---
  dlls/ntoskrnl.exe/tests/driver.c | 74 ++++++++++++++++++++++++--------
  include/ddk/wdm.h                |  5 +++
  2 files changed, 60 insertions(+), 19 deletions(-)