Fix RAMDBTests
diff --git a/org.eclipse.photran.core.vpg.tests/src/org/eclipse/rephraserengine/internal/core/tests/vpg/RAMDBTests.java b/org.eclipse.photran.core.vpg.tests/src/org/eclipse/rephraserengine/internal/core/tests/vpg/RAMDBTests.java
index 4b24c9a..6f5a8d3 100644
--- a/org.eclipse.photran.core.vpg.tests/src/org/eclipse/rephraserengine/internal/core/tests/vpg/RAMDBTests.java
+++ b/org.eclipse.photran.core.vpg.tests/src/org/eclipse/rephraserengine/internal/core/tests/vpg/RAMDBTests.java
@@ -88,6 +88,7 @@
     public void testDependencies() throws CoreException

     {

         assertNotNull(db);

+        this.db.clearDatabase();

         assertNotNull(db.dependencies());

         

         VPGDependency d1 = new VPGDependency("A.txt", "B.txt");

@@ -121,6 +122,7 @@
     public void testEdges() throws CoreException

     {

         assertNotNull(db);

+        this.db.clearDatabase();

         assertNotNull(db.outgoingEdges());

         

         VPGEdge e1 = new VPGEdge(new TestTokenRef(db, "C.txt", 0, 0), new TestTokenRef(db, "D.txt", 0, 0), Integer.MIN_VALUE);

@@ -151,6 +153,7 @@
     public void testAnnotations() throws CoreException

     {

         assertNotNull(db);

+        this.db.clearDatabase();

         assertNotNull(db.annotations());

         

         //SET ANNOTATION

@@ -200,16 +203,8 @@
     

     public void testFiles()

     {

-        //reset the database for convenience

-        try

-        {

-            this.setUp();

-        }catch(Exception e)

-        {

-            e.printStackTrace();

-        }

-       

         assertNotNull(db);

+        this.db.clearDatabase();

         assertNotNull(db.files());

        

         //MODIFICATION STAMP

@@ -267,10 +262,8 @@
     

     public void testFlush() throws Exception

     {

-        //reset the database for convenience

-        this.setUp();

-       

         assertNotNull(db);

+        this.db.clearDatabase();

         assertNotNull(db.files());

         assertNotNull(db.dependencies());

         assertNotNull(db.outgoingEdges());