@@ -0,0 +1,330 @@
+package model;%0A%0Aimport org.junit.Test;%0A%0Aimport static org.junit.Assert.*;%0A%0Apublic class ClusterFileIOTest %7B%0A%0A    @Test%0A    public void testGetInstance() throws Exception %7B%0A%0A    %7D%0A%0A    @Test%0A    public void testSaveClusterData() throws Exception %7B%0A%0A    %7D%0A%0A    @Test%0A    public void testLoadClusterData() throws Exception %7B%0A%0A    %7D%0A%7D

add initial ClusterFileIO test file