Update types Rust test to check for type deletion

Author: emesare

rust/tests/types.rs

@@ -73,5 +73,10 @@ fn add_type_to_view(_session: &Session, empty_view: &BinaryView) {
     let test_type = Type::int(4, true);
     empty_view.define_auto_type("test", "me", &test_type);
     assert!(empty_view.type_by_name("test").is_some());
-    assert!(empty_view.type_by_id("me").is_some());
+    empty_view.undefine_auto_type(
+        empty_view
+            .type_id_by_name("test")
+            .expect("Failed to get type id"),
+    );
+    assert!(empty_view.type_by_name("test").is_none());
 }