Index: camel-core/src/test/java/org/apache/camel/management/ManagedRoutePerformanceCounterTest.java
===================================================================
--- camel-core/src/test/java/org/apache/camel/management/ManagedRoutePerformanceCounterTest.java	(revision 16930)
+++ camel-core/src/test/java/org/apache/camel/management/ManagedRoutePerformanceCounterTest.java	(working copy)
@@ -47,9 +47,14 @@
 
         template.asyncSendBody("direct:start", "Hello World");
 
-        Thread.sleep(1000);
-
-        Integer inFlight = (Integer) mbeanServer.getAttribute(on, "InflightExchanges");
+        Integer inFlight = null;
+        for (int i = 0; i < 10; i++) {
+            Thread.sleep(500);
+            inFlight = (Integer) mbeanServer.getAttribute(on, "InflightExchanges");
+            if (inFlight.longValue() == 1) {
+                break;
+            }
+        }
         assertEquals(1, inFlight.longValue());
 
         assertMockEndpointsSatisfied();