time limit for linux test
diff --git a/org.eclipse.jdt.debug.tests/tests/org/eclipse/jdt/debug/tests/core/LineTrackerTests.java b/org.eclipse.jdt.debug.tests/tests/org/eclipse/jdt/debug/tests/core/LineTrackerTests.java
index 4a10805..9d5ef78 100644
--- a/org.eclipse.jdt.debug.tests/tests/org/eclipse/jdt/debug/tests/core/LineTrackerTests.java
+++ b/org.eclipse.jdt.debug.tests/tests/org/eclipse/jdt/debug/tests/core/LineTrackerTests.java
@@ -117,8 +117,8 @@
 			
 			int attempts = 0;
 			while (!fStopped) {
-				if (attempts == 240) {
-					assertTrue("did not get output within 4 minutes. " + fLinesRead.size() + " lines read.", false);
+				if (attempts == 480) {
+					assertTrue("did not get output within 8 minutes. " + fLinesRead.size() + " lines read.", false);
 				}
 				attempts++;
 				Thread.sleep(1000);