wait longer for NFS to sync before looking for a file?

http://hudson.qa.jboss.com/hudson/view/DevStudio/view/DevStudio_Stable_Branch/job/jbosstools-3.2_stable_branch.tests/lastCompletedBuild/testReport/org.jboss.ide.eclipse.as.archives.integration.test/ASArchivesIntegrationTestSuite/testAll/

Regression

org.jboss.ide.eclipse.as.archives.integration.test.ASArchivesIntegrationTestSuite.testAll
Failing for the past 1 build (Since Failed#210 )
Took 33 sec.
add description
Error Message

Resource is out of sync with the file system: '/P1/out.jar/a.txt'.

Stacktrace

org.eclipse.core.internal.resources.ResourceException: Resource is out of sync with the file system: '/P1/out.jar/a.txt'.
at org.eclipse.core.internal.localstore.FileSystemResourceManager.read(FileSystemResourceManager.java:699)
at org.eclipse.core.internal.resources.File.getContents(File.java:293)
at org.eclipse.core.internal.resources.File.getContents(File.java:282)
at org.jboss.ide.eclipse.as.archives.integration.test.BuildDeployTest.assertBuiltArchiveContents(BuildDeployTest.java:319)
at org.jboss.ide.eclipse.as.archives.integration.test.BuildDeployTest.testAll(BuildDeployTest.java:128)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)