For Added string indicating test failure.
@@ -69,6 +69,7 @@ public final class ExpiresTest {
@Test
public void returnsExpiresStringInGmt() {
MatcherAssert.assertThat(
+ "Wrong expiration time in GMT",
// @checkstyle MagicNumberCheck (2 lines)
new Expires.Date(
1517048057117L
