add test case for calling correlation plugin
add test case for calling correlation plugin

aswarren/p3_api,aswarren/p3_api,PATRIC3/p3_api,maovt/p3_api,PATRIC3/p3_api,maovt/p3_api,maovt/p3_api,maovt/p3_api,maovt/p3_api,maovt/p3_api