Try solve Timing issues

Author: pitbulk

core/src/main/java/com/onelogin/saml2/util/Util.java

@@ -1425,6 +1425,7 @@ public static long parseDuration(String durationString, long timestamp) throws I
 
 		PeriodFormatter periodFormatter = ISOPeriodFormat.standard();
 		Period period = periodFormatter.parsePeriod(durationString);
+
 		DateTime dt = new DateTime(timestamp * 1000);
 
 		DateTime result = null;
@@ -1433,7 +1434,7 @@ public static long parseDuration(String durationString, long timestamp) throws I
 		} else {
 			result = dt.plus(period);
 		}
-		return result.toGregorianCalendar().getTimeInMillis() / 1000;
+		return result.getMillis() / 1000;
 	}
 
 	/**

core/src/test/java/com/onelogin/saml2/test/util/UtilsTest.java

@@ -1993,7 +1993,7 @@ public void testGetCurrentTimeStamp() {
 		Date currentDate = new Date();
 		Long dt = currentDate.getTime() / 1000;
 		Long dt2 = Util.getCurrentTimeStamp();
-	    assertTrue(dt2 - dt == 0 || dt2 - dt == 1);
+	    assertTrue(dt2 - dt <= 3);
 	}
 
 	/**