Revert "upgrade easymock to newest for jdk24 support."

This reverts commit 47aae62.

Author: zhumin8

pom.xml

@@ -98,7 +98,7 @@
       <dependency>
         <groupId>org.easymock</groupId>
         <artifactId>easymock</artifactId>
-        <version>5.6.0</version>
+        <version>5.2.0</version>
         <scope>test</scope>
       </dependency>
       <dependency>