add method

hutool-core/src/test/java/cn/hutool/core/date/DateTimeTest.java

@@ -1,6 +1,5 @@
 package cn.hutool.core.date;
 
-import cn.hutool.core.lang.Console;
 import org.junit.Assert;
 import org.junit.Test;
 
@@ -133,10 +132,12 @@ public class DateTimeTest {
 		Assert.assertEquals(1, date.weekOfYear());
 	}
 
-	@Test
+	/**
+	 * 严格模式下，不允许非常规的数字，如秒部分最多59，99则报错
+	 */
+	@Test(expected = IllegalArgumentException.class)
 	public void ofTest(){
 		String a = "2021-09-27 00:00:99";
-		final DateTime dateTime = new DateTime(a, DatePattern.NORM_DATETIME_FORMAT);
-		Console.log(dateTime);
+		new DateTime(a, DatePattern.NORM_DATETIME_FORMAT, false);
 	}
 }