fixed 1 unit test

assira/src/test/java/net/ranides/assira/time/TimeMetricTest.java

@@ -18,18 +18,20 @@ import net.ranides.assira.text.StringUtils;
  */
 public class TimeMetricTest {
 
+    public static final double DELTA = 25.0;
+
     @Test
     public void testStop() throws InterruptedException {
         TimeMetric tm = new TimeMetric(TimeUnit.MILLISECONDS);
         tm.start();
         
-        Thread.sleep(50);
-        assertTimerText(50, "ms", tm);
-        assertEquals(50.0, tm.stop(), 25.0);
-        
-        Thread.sleep(50);
+        Thread.sleep(100);
         assertTimerText(100, "ms", tm);
-        assertEquals(100.0, tm.stop(), 25.0);
+        assertEquals(100.0, tm.stop(), DELTA);
+        
+        Thread.sleep(100);
+        assertTimerText(200, "ms", tm);
+        assertEquals(200.0, tm.stop(), DELTA);
         
         assertThrows(NoSuchElementException.class, ()->{
             System.out.printf("%d%n", tm.stop());
@@ -40,7 +42,7 @@ public class TimeMetricTest {
         String text = tm.toString();
         assertTrue("Invalid unit: " + text, text.endsWith("ms"));
         int number = Integer.parseInt(StringUtils.before(text, "ms"));
-        assertEquals(value, number, 25.0);
+        assertEquals(value, number, DELTA);
     }
     
 }