diff --git a/solr/core/src/test/org/apache/solr/core/RAMDirectoryFactoryTest.java b/solr/core/src/test/org/apache/solr/core/RAMDirectoryFactoryTest.java
index 944b707e5c7..66e25dd2699 100644
--- a/solr/core/src/test/org/apache/solr/core/RAMDirectoryFactoryTest.java
+++ b/solr/core/src/test/org/apache/solr/core/RAMDirectoryFactoryTest.java
@@ -51,6 +51,7 @@ public class RAMDirectoryFactoryTest extends LuceneTestCase {
 
     factory.release(dir1);
     factory.release(dir2);
+    factory.close();
   }
 
   private void dotestOpenSucceedForEmptyDir() throws IOException {
@@ -59,5 +60,6 @@ public class RAMDirectoryFactoryTest extends LuceneTestCase {
     assertNotNull("RAMDirectoryFactory should create RefCntRamDirectory even if the path doen't lead " +
         "to index directory on the file system", dir);
     factory.release(dir);
+    factory.close();
   }
 }