build.gradle; fix runFunctionalTest test

Signed-off-by: Bala.FA <[email protected]>

Author: balamurugana

build.gradle

@@ -393,7 +393,7 @@ project(':functional') {
 
     task runFunctionalTest(type:JavaExec) {
         mainClass = 'FunctionalTest'
-        classpath = testing.suites.test.sources.runtimeClasspath
+        classpath = sourceSets.main.runtimeClasspath
 
         ext.endpoint = 'https://play.min.io:9000'
         if (rootProject.hasProperty('endpoint')) {