fixed e2e tests

src/test/java/at/ac/uibk/gitsearch/web/rest/StatisticsResourceIT.java

@@ -348,10 +348,15 @@ public class StatisticsResourceIT {
 
         //After the following call a new statistics entity for the exerciseID 143 should have been created because there exists a resource with this id in elastic search from stefan podlipnig
         restStatisticsMockMvc.perform(get("/api/statistics/exercise/{id}", "143").with(csrf().asHeader())).andExpect(status().isOk());
+        //wait for the statistics to be created
+        Thread.sleep(1000);
         assertEquals(statisticsService.findOneByExerciseID("143").get().getExerciseID(), "143");
 
         //Do the same call again to see if the statisticsService understood that the entity already exists and it only needs to increase the views
         restStatisticsMockMvc.perform(get("/api/statistics/exercise/{id}", "143").with(csrf().asHeader())).andExpect(status().isOk());
+
+        //wait for the statistics to be created
+        Thread.sleep(1000);
         assertEquals(statisticsService.findOneByExerciseID("143").get().getViews(), 2);
 
         //Test the search for an id which does not exist