add method

hutool-core/src/main/java/cn/hutool/core/date/CalendarUtil.java

@@ -355,6 +355,7 @@ public class CalendarUtil {
 	 * @param cal2 日期2
 	 * @param isMon 是否为周一。国内第一天为星期一，国外第一天为星期日
 	 * @return 是否为同一周
+	 * @since 5.7.21
 	 */
 	public static boolean isSameWeek(Calendar cal1, Calendar cal2, boolean isMon) {
 		if (cal1 == null || cal2 == null) {

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

@@ -1006,7 +1006,7 @@ public class DateUtilTest {
 	}
 
 	@Test
-	public void isSameWeektest() {
+	public void isSameWeekTest() {
 		// 周六与周日比较
 		final boolean isSameWeek = DateUtil.isSameWeek(DateTime.of("2022-01-01", "yyyy-MM-dd"), DateTime.of("2022-01-02", "yyyy-MM-dd"), true);
 		Assert.assertTrue(isSameWeek);