Refactor for query plan capture with initial threshold micros

src/test/java/org/tests/query/finder/TestCustomerFinder.java

@@ -190,8 +190,9 @@ public class TestCustomerFinder extends BaseTestCase {
     }
 
     QueryPlanRequest request = new QueryPlanRequest();
-
     List<MetaQueryPlan> plans = server().getMetaInfoManager().collectQueryPlans(request);
+    assertThat(plans).isNotEmpty();
+
     for (MetaQueryPlan plan : plans) {
       System.out.println(plan);
     }