added some cleanup after tests

spring-data-neo4j/src/test/java/org/springframework/data/graph/neo4j/support/IndexTest.java

@@ -2,6 +2,7 @@ package org.springframework.data.graph.neo4j.support;
 
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
+import org.junit.After;
 import org.junit.Assert;
 import org.junit.Before;
 import org.junit.Ignore;
@@ -21,6 +22,7 @@ import org.springframework.data.graph.neo4j.support.node.Neo4jHelper;
 import org.springframework.test.annotation.DirtiesContext;
 import org.springframework.test.context.ContextConfiguration;
 import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+import org.springframework.test.context.transaction.AfterTransaction;
 import org.springframework.transaction.annotation.Transactional;
 
 import java.util.Arrays;
@@ -53,6 +55,26 @@ public class IndexTest {
 		Neo4jHelper.cleanDb(graphDatabaseContext);
     }
 
+    @AfterTransaction
+    public void tearDown() throws Exception {
+    	GraphDatabaseService gds = graphDatabaseContext.getGraphDatabaseService();
+        if (gds != null) {
+            clearIndex(gds);
+        }
+    }
+    
+    private void clearIndex(GraphDatabaseService gds) {
+    	org.neo4j.graphdb.Transaction tx = gds.beginTx();
+    	try {
+			for (String ix : gds.index().nodeIndexNames()) {
+				gds.index().forNodes(ix).delete();
+			}
+			tx.success();
+		} finally {
+	        tx.finish();
+		}
+    }
+
     @Test
     @Transactional
     public void testCanIndexIntFieldsOnRelationshipEntities() {

spring-data-neo4j/src/test/java/org/springframework/data/graph/neo4j/transaction/JOTMIntegrationTest.java

@@ -6,6 +6,7 @@ import org.junit.Test;
 import org.neo4j.graphdb.GraphDatabaseService;
 import org.neo4j.graphdb.Node;
 import org.neo4j.graphdb.NotFoundException;
+import org.neo4j.graphdb.Relationship;
 import org.neo4j.graphdb.index.IndexHits;
 import org.neo4j.kernel.Config;
 import org.neo4j.kernel.EmbeddedGraphDatabase;
@@ -40,8 +41,34 @@ public class JOTMIntegrationTest {
 
     @After
     public void tearDown() throws Exception {
+        if (gds != null) {
+            clear(gds);
+        }
         if (ctx != null) ctx.close();
     }
+    
+    private void clear(GraphDatabaseService gds) {
+    	org.neo4j.graphdb.Transaction tx = gds.beginTx();
+    	try {
+			for (String ix : gds.index().nodeIndexNames()) {
+				gds.index().forNodes(ix).delete();
+			}
+			for (Node node : gds.getAllNodes()) {
+				for (Relationship relationship : node.getRelationships()) {
+					relationship.delete();
+				}
+			}
+			Node referenceNode = gds.getReferenceNode();
+			for (Node node : gds.getAllNodes()) {
+				if (node.equals(referenceNode))
+					continue;
+				node.delete();
+			}
+			tx.success();
+		} finally {
+	        tx.finish();
+		}
+    }
 
     @Test
     public void createdNodeShouldBeFoundAfterCommit() throws Exception {