update agent test tools

Author: peachisai

test/plugin/agent-test-tools/pom.xml

@@ -35,7 +35,7 @@
     <packaging>pom</packaging>
 
     <properties>
-        <agent-test-tools.version>cf62c1b733fe2861229201a67b9cc0075ac3e236</agent-test-tools.version>
+        <agent-test-tools.version>7220c715d280cf0d7421f17bbc8c8de57249914d</agent-test-tools.version>
         <agent-test-tools.workingDirectory>${project.basedir}/target/agent-test-tools</agent-test-tools.workingDirectory>
         <agent-test-tools.repos>https://github.com/apache/skywalking-agent-test-tool.git</agent-test-tools.repos>
     </properties>