diff --git a/src/test/java/com/sample/AppTest.java b/src/test/java/com/sample/AppTest.java
index 39ec29c..b448577 100644
--- a/src/test/java/com/sample/AppTest.java
+++ b/src/test/java/com/sample/AppTest.java
@@ -1,32 +1,30 @@
 package com.sample;
 
 import org.junit.Test;
-import junit.framework.TestCase;
-import static junit.framework.Assert.*;
+import static org.junit.Assert.*;
+import static org.hamcrest.CoreMatchers.*;
+
 
 /**
  * Unit test for simple App.
  */
 public class AppTest 
-    extends TestCase
 {
     /**
-     * Create the test case
-     *
-     * @param testName name of the test case
+     * "Hello" であること。
      */
-    public AppTest( String testName )
+    @Test
+    public void case1()
     {
-        super( testName );
+	assertThat("Hello", is("Hello"));
     }
 
     /**
-     * Rigourous Test :-)
+     * 1 であること。
      */
     @Test
-    public void testApp()
+    public void case3()
     {
-	assertEquals("correct","Hello", "Hello"); // OK
-	//assertEquals("correct","Hello", "hello"); // NG
+	assertThat(1, is(1));
     }
 }