SONAR suggestions - prevent truncation of arithmetic expressions

Change-Id: I4694c0c3183b991a4f0db793f584bc77a5fb7d60
diff --git a/apps/test/intent-perf/src/main/java/org/onosproject/intentperf/IntentPerfInstaller.java b/apps/test/intent-perf/src/main/java/org/onosproject/intentperf/IntentPerfInstaller.java
index 639ee84..f7e46cc 100644
--- a/apps/test/intent-perf/src/main/java/org/onosproject/intentperf/IntentPerfInstaller.java
+++ b/apps/test/intent-perf/src/main/java/org/onosproject/intentperf/IntentPerfInstaller.java
@@ -288,7 +288,7 @@
         }
 
         try {
-            workers.awaitTermination(5 * cyclePeriod, TimeUnit.MILLISECONDS);
+            workers.awaitTermination(5L * cyclePeriod, TimeUnit.MILLISECONDS);
         } catch (InterruptedException e) {
             log.warn("Failed to stop worker", e);
         }