minor refactoring

Author: raydac

jcp-tests/jcp-test-maven/src/test/java/com/igormaznitsa/jcp/it/maven/TestMain.java

@@ -4,10 +4,10 @@
 
 import static org.junit.jupiter.api.Assertions.*;
 
-public class TestMain {
+class TestMain {
 
   @Test
-  public void testMain(){
+  void testMain(){
       //$MainTwo obj = new MainTwo();
       //#-
       Main obj = new Main();