Feature ut common thread (#1674)

* add common thread ut

* Update ThreadUtilsTest.java

add license header

* delete useless file

Co-authored-by: dailidong <dailidong66@gmail.com>

pom.xml

@@ -661,6 +661,7 @@
 				<configuration>
 					<includes>
 						<include>**/common/utils/*.java</include>
+						<include>**/common/threadutils/*.java</include>
 						<include>**/common/graph/*.java</include>
 						<include>**/common/queue/*.java</include>
 						<include>**/api/utils/CheckUtilsTest.java</include>