CAMEL-19531: Remove unnecessary Thread.sleep calls from leveldb tests

components/camel-leveldb/src/test/java/org/apache/camel/component/leveldb/LevelDBAggregateConcurrentDifferentGroupsTest.java

@@ -63,8 +63,6 @@ private void doSendMessages(int files, int poolSize) throws Exception {
                 public Object call() throws Exception {
                     String id = index % 2 == 0 ? "A" : "B";
                     template.sendBodyAndHeader("direct:start", index, "id", id);
-                    // simulate a little delay
-                    Thread.sleep(3);
                     return null;
                 }
             });

components/camel-leveldb/src/test/java/org/apache/camel/component/leveldb/LevelDBAggregateConcurrentSameGroupTest.java

@@ -62,8 +62,6 @@ private void doSendMessages(int files, int poolSize) throws Exception {
             executor.submit(new Callable<Object>() {
                 public Object call() throws Exception {
                     template.sendBodyAndHeader("direct:start", index, "id", 123);
-                    // simulate a little delay
-                    Thread.sleep(3);
                     return null;
                 }
             });

components/camel-leveldb/src/test/java/org/apache/camel/component/leveldb/LevelDBAggregateLoadAndRecoverTest.java

@@ -65,8 +65,6 @@ public void testLoadAndRecoverLevelDBAggregate() throws Exception {
             headers.put("seq", i);
             LOG.debug("Sending {} with id {}", value, id);
             template.sendBodyAndHeaders("seda:start", value, headers);
-            // simulate a little delay
-            Thread.sleep(5);
         }
 
         LOG.info("Sending all {} message done. Now waiting for aggregation to complete.", SIZE);

components/camel-leveldb/src/test/java/org/apache/camel/component/leveldb/LevelDBAggregateLoadConcurrentTest.java

@@ -62,8 +62,6 @@ public Object call() throws Exception {
                     char id = KEYS[key];
                     LOG.debug("Sending {} with id {}", value, id);
                     template.sendBodyAndHeader("direct:start", value, "id", Character.toString(id));
-                    // simulate a little delay
-                    Thread.sleep(3);
                     return null;
                 }
             });

components/camel-leveldb/src/test/java/org/apache/camel/component/leveldb/LevelDBAggregationRepositoryLoadExistingTest.java

@@ -63,8 +63,6 @@ public void testExisting() throws Exception {
         // stop the repo
         levelDBFile.stop();
 
-        Thread.sleep(1000);
-
         // load the repo again
         levelDBFile.start();
 

components/camel-leveldb/src/test/java/org/apache/camel/component/leveldb/LevelDBAggregationRepositoryRecoverExistingTest.java

@@ -65,8 +65,6 @@ public void testExisting() throws Exception {
         // stop the repo
         repo.stop();
 
-        Thread.sleep(1000);
-
         // load the repo again
         repo.start();