[test] CacheViewerTest::testReInstallApp2 fails by timeout because it doesn't wait enough time till reinstall will succeed

CacheViewerTest::testReInstallApp2 fails by timeout because it doesn't wait enough time till reinstall will succeed.

Suggested fix: increase timeout in javaws/combinedCacheViewer/lib/testReInstallApp2.xml
 Change to <param name="waittime" value="8000"/> instead of 2000

Affected tests:
RULE CacheViewerTest::testReInstallApp2 any any