Updated more sonarqube findings

src/test/java/mattrixwv/TestNumberAlgorithms.java

@@ -170,8 +170,6 @@ public class TestNumberAlgorithms{
 
 	@Test
 	public void testGetDivisors(){
-		Stopwatch timer = new Stopwatch();
-		timer.start();
 		//Test 1
 		List<Integer> correctAnswer = Arrays.asList(1, 2, 4, 5, 10, 20, 25, 50, 100);
 		Integer topNum = 100;
@@ -204,8 +202,6 @@ public class TestNumberAlgorithms{
 		bigTopNum = BigInteger.valueOf(6);
 		bigAnswer = NumberAlgorithms.getDivisors(bigTopNum);
 		assertEquals("getDivisors BigInteger 2 failed", bigCorrectAnswer, bigAnswer);
-		timer.stop();
-		System.out.println("timer = " + timer.toString());
 	}
 
 	@Test

src/test/java/mattrixwv/TestStopwatch.java

@@ -26,6 +26,7 @@ package mattrixwv;
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotEquals;
+import static org.junit.Assert.assertNotNull;
 
 import org.junit.Test;
 
@@ -39,6 +40,7 @@ public class TestStopwatch{
 		Stopwatch timer = new Stopwatch();
 		timer.start();
 		timer.stop();
+		assertNotNull(timer.toString());
 		//If it gets to here without throwing an exception everything went well
 	}
 	@Test