TESTSUITE: JNLP_TCK 6
Test: api/javax_jnlp/SingleInstanceService/AddRemove2Tests[SingleInstanceService2005]
OS/platform: initially failure has been detected on WinXP ( Home && Pro ),
             also failed on Solaris10 sparc.
FAIL: JDK 1.6.0_10 b21
PASS: JDK 1.6.0_10 b20 ( also checked on b14 - test passed )

Desc: test launches two instances of application and tries to intall/remove listener for both
 instances.
 The first instance is launched from test harness, and the second one - from first
 instance. It looks like test hangs during the second instace launching.
 1. Got jnlp app downloaded OK.
 2. Got warning for the first instance ( run or not app ) - OK
 3. Start the first instance - OK.
 4. Got warning for the second instance ( run or not app ) - OK
 5. Window with launching app progress doesn't disappeared.
 6. After timeout testlog reports about failure.
    ( see passed and failed test *.jtr files in attach )

Additional info: see source in attach ( AddRemove2Tests.java ),
   another src && jnlp templates are in
/net/stt-13/export/stt/tck_promotions/jnlp_tck/6.0/beta/b03/binaries/jnlp_tck60/tests/api/javax_jnlp/SingleInstanceService

How to reproduce: see in comment section