@Test
public void testToString() {

	Report r = new Report();
	XTraceMetadata xtr = new XTraceMetadata();
	r.put("X-Trace", xtr.toString());
	r.put("Key1", "Value1");
	r.put("Key2", "Value2");
	r.put("Key4", "Value4.1");
	r.put("Key4", "Value4.2");
	r.put("Key4", "Value4.3");
	String s = r.toString();
	assertNotNull(s);
	assertTrue(s.startsWith("X-Trace Report ver 1.0"));
	assertTrue(s.contains("Key1: Value1"));
	assertTrue(s.contains("Key2: Value2"));
	assertTrue(s.contains("Key4: Value4.1"));
	assertTrue(s.contains("Key4: Value4.2"));
	assertTrue(s.contains("Key4: Value4.3"));
	assertTrue(s.contains("X-Trace: 100000000000000000"));
}