Remove trailing whitespace.
diff --git a/src/test/java/org/apache/commons/lang3/time/DurationUtilsTest.java b/src/test/java/org/apache/commons/lang3/time/DurationUtilsTest.java
index 0a9bb84..6d40759 100644
--- a/src/test/java/org/apache/commons/lang3/time/DurationUtilsTest.java
+++ b/src/test/java/org/apache/commons/lang3/time/DurationUtilsTest.java
@@ -70,7 +70,7 @@
         assertEquals(-1, DurationUtils.toDuration(-1, TimeUnit.MILLISECONDS).toMillis());
         assertEquals(0, DurationUtils.toDuration(0, TimeUnit.SECONDS).toMillis());
     }
-    
+
     @Test
     public void testToMillisInt() {
         assertEquals(0, DurationUtils.toMillisInt(Duration.ZERO));