SLING-7692 support for MockSession.refresh(false)
diff --git a/src/main/java/org/apache/sling/testing/mock/jcr/MockSession.java b/src/main/java/org/apache/sling/testing/mock/jcr/MockSession.java
index b87396a..16591fa 100644
--- a/src/main/java/org/apache/sling/testing/mock/jcr/MockSession.java
+++ b/src/main/java/org/apache/sling/testing/mock/jcr/MockSession.java
@@ -294,6 +294,9 @@
 
     @Override
     public void refresh(final boolean keepChanges) throws RepositoryException {
+        if (!keepChanges){
+            this.items.clear();
+        }
         // do nothing
         checkLive();
     }
diff --git a/src/test/java/org/apache/sling/testing/mock/jcr/MockSessionTest.java b/src/test/java/org/apache/sling/testing/mock/jcr/MockSessionTest.java
index be50aff..2554ab1 100644
--- a/src/test/java/org/apache/sling/testing/mock/jcr/MockSessionTest.java
+++ b/src/test/java/org/apache/sling/testing/mock/jcr/MockSessionTest.java
@@ -136,6 +136,17 @@
     }
 
     @Test
+    public void testRevertFalse() throws RepositoryException {
+        Session session = MockJcr.newSession();
+        Node rootNode = session.getRootNode();
+        rootNode.addNode("node1");
+        assertTrue(session.itemExists("/node1"));
+        session.refresh(false);
+        assertFalse(session.itemExists("/node1"));
+        assertFalse(rootNode.getNodes().hasNext());
+    }
+
+    @Test
     public void testNodesWithSpecialNames() throws RepositoryException {
         Session session = MockJcr.newSession();