Fixed test

mist-test/src/items/struct_test.mist

@@ -1,6 +1,6 @@
 struct Point {
-    Int x,
-    Int y,
+    i32 x,
+    i32 y,
 }
 
 pub void test_struct_create_access() {
@@ -22,12 +22,12 @@ pub void test_struct_destructure() {
     assert_eq!(y, 4);
 }
 
-pub void test_struct_nested() {
-    struct Line {
-        Point start,
-        Point end,
-    }
+struct Line {
+    Point start,
+    Point end,
+}
 
+pub void test_struct_nested() {
     let l = Line {
         start: Point { x: 0, y: 0 },
         end: Point { x: 5, y: 10 },