Add lsystem.kcl to tests (#4146)

* Add lsystem.kcl to tests

* Reduce iterations

* Fix the user settings flake shit (NOTE TO ALL FUTURE PEOPLE MODELING-APP DOES NOT WAIT FOR I/O IN SOME CASES BEFORE ROUTER NAVIGATION)

src/wasm-lib/tests/executor/main.rs

@@ -121,6 +121,14 @@ async fn kcl_test_execute_kittycad_svg() {
     assert_out("kittycad_svg", &result);
 }
 
+#[tokio::test(flavor = "multi_thread")]
+async fn kcl_test_execute_lsystem() {
+    let code = kcl_input!("lsystem");
+
+    let result = execute_and_snapshot(code, UnitLength::Mm).await.unwrap();
+    assert_out("lsystem", &result);
+}
+
 #[tokio::test(flavor = "multi_thread")]
 async fn kcl_test_member_expression_sketch() {
     let code = kcl_input!("member_expression_sketch");