Refactored assets to use propper java syntax. Found error in the raven test command. Impropper formating when passing arguments to the java command.

assets/src/main/Main.java

@@ -1,5 +1,3 @@
-package main;
-
 public class Main {
 
     public static void main(String[] args) {

assets/src/test/Main.java

@@ -1,12 +0,0 @@
-package test;
-
-public class Main {
-
-    public static void main(String[] args) {
-        testAdd();
-    }
-
-    public static void testAdd() {
-        assert main.Main.add(2, 2) == 4;
-    }
-}