HBASE-29223 Improve assertion in TestMasterStatusUtil.testGetFragmentationInfoTurnedOn

Author: PDavid

hbase-server/src/test/java/org/apache/hadoop/hbase/master/http/TestMasterStatusUtil.java

@@ -18,6 +18,7 @@
 package org.apache.hadoop.hbase.master.http;
 
 import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertNull;
 
@@ -203,6 +204,7 @@ public void testGetFragmentationInfoTurnedOn() throws IOException {
     conf.setBoolean("hbase.master.ui.fragmentation.enabled", true);
     Map<String, Integer> fragmentationInfo = MasterStatusUtil.getFragmentationInfo(master, conf);
     assertNotNull(fragmentationInfo);
+    assertFalse(fragmentationInfo.isEmpty());
   }
 
   @Test