[TEST_BUG] Process child.exe remains after execution of java/awt/dnd/Win32DropTYMEDSelectionTest/Win32DropTYMEDSelectionTest.html

Test name(s): java/awt/dnd/Win32DropTYMEDSelectionTest/Win32DropTYMEDSelectionTest.html
JDK tested: 5,6,7
OS tested:Windows,Linux, Mac
Is it a regression? No
Regression introduced in release/build: N/A
                      
Is it platform specific? Yes
             
The is failure reproduced:Windows

Error:-

This causes full run to hang if it fails as child.exe remains and it doesn't let the run to complete.