fix code style 2

Author: huicunjun

test/plugin/scenarios/grpc-scenario/src/main/java/org/apache/skywalking/apm/testcase/grpc/controller/CaseController.java

@@ -63,9 +63,11 @@ public void up() {
         Method usePlaintext = ReflectionUtils.findMethod(managedChannelBuilder.getClass(), "usePlaintext");
         if (usePlaintext != null) {
             int paramCount = usePlaintext.getParameterCount();
-            if (paramCount == 0) {// no parame method usePlaintext()
+            if (paramCount == 0) {
+                // no parame method usePlaintext()
                 ReflectionUtils.invokeMethod(usePlaintext, managedChannelBuilder);
-            } else if (paramCount == 1 && usePlaintext.getParameterTypes()[0] == boolean.class) {// boolean method usePlaintext(true)
+            } else if (paramCount == 1 && usePlaintext.getParameterTypes()[0] == boolean.class) {
+                // boolean method usePlaintext(true)
                 ReflectionUtils.invokeMethod(usePlaintext, managedChannelBuilder, true);
             }
         }