added comment for varying performance results

src/test/java/teetime/variant/methodcallWithPorts/examples/AllTests.java

@@ -79,7 +79,7 @@ public class AllTests {
 		assertEquals(22, (double) test9.quantiles.get(0.5) / test1.quantiles.get(0.5), 2.1);
 		assertEquals(44, (double) test15.quantiles.get(0.5) / test1.quantiles.get(0.5), 4.1);
 
-		// below results vary too much
+		// below results vary too much, possibly due to the OS' scheduler
 		// assertEquals(RESULT_TESTS_16, (double) test16a.quantiles.get(0.5) / test1.quantiles.get(0.5), 5.1);
 		// assertEquals(RESULT_TESTS_16, (double) test16b.quantiles.get(0.5) / test1.quantiles.get(0.5), 5.1);
 		// assertEquals(RESULT_TESTS_16, (double) test16c.quantiles.get(0.5) / test1.quantiles.get(0.5), 5.1);