Minor tweaks

src/main/java/com/zaxxer/hikari/proxy/ConnectionProxy.java

@@ -199,16 +199,13 @@ public class ConnectionProxy extends HikariProxyBase implements IHikariConnectio
                 _leakTask = null;
             }
 
-            if (getAutoCommit())
-            {
-                commit();
-            }
-
             try
             {
-                for (Statement statement : _openStatements)
+                
+                // Faster than an iterator
+                for (int i = _openStatements.size() - 1; i >= 0; i--)
                 {
-                    statement.close();
+                    _openStatements.get(i).close();
                 }
             }
             catch (SQLException e)

src/test/java/com/zaxxer/hikari/mocks/StubResultSet.java

@@ -49,6 +49,7 @@ public class StubResultSet implements ResultSet
     /** {@inheritDoc} */
     public <T> T unwrap(Class<T> iface) throws SQLException
     {
+        
         return null;
     }
 
@@ -61,7 +62,7 @@ public class StubResultSet implements ResultSet
     /** {@inheritDoc} */
     public boolean next() throws SQLException
     {
-        return false;
+        return (counter < 10);
     }
 
     /** {@inheritDoc} */