@Test
public void testAreThereDuplicates_when_there_are_no_duplicates() {

	Set<String> set1 = new HashSet<String>();
	Set<String> set2 = new HashSet<String>();
	String a = "abc";
	String b = "efg";
	String c = "hij";
	String d = "klm";
	set1.add(a);
	set1.add(b);
	set2.add(c);
	set2.add(d);
	assertEquals(false, cst.areThereDuplicatesInTwoSets(set1, set2));
}