Fix cargo test -p egui_kittest

Author: emilk

crates/egui_kittest/tests/menu.rs

@@ -1,6 +1,6 @@
 use egui::containers::menu::{MenuBar, MenuConfig, SubMenuButton};
 use egui::{PopupCloseBehavior, Ui, include_image};
-use egui_kittest::{Harness, SnapshotResults};
+use egui_kittest::Harness;
 use kittest::Queryable as _;
 
 struct TestMenu {
@@ -160,11 +160,12 @@ fn clicking_submenu_button_should_never_close_menu() {
     assert!(harness.query_by_label("Button in Submenu B").is_none());
 }
 
+#[cfg(feature = "snapshot")]
 #[test]
 fn menu_snapshots() {
     let mut harness = TestMenu::new(MenuConfig::new()).into_harness();
 
-    let mut results = SnapshotResults::new();
+    let mut results = egui_kittest::SnapshotResults::new();
 
     harness.get_by_label("Menu A").hover();
     harness.run();

crates/egui_kittest/tests/tests.rs

@@ -1,3 +1,6 @@
+#![cfg(feature = "snapshot")]
+#![cfg(feature = "wgpu")]
+
 use egui::{Modifiers, ScrollArea, Vec2, include_image};
 use egui_kittest::{Harness, SnapshotResults};
 use kittest::Queryable as _;
@@ -122,6 +125,7 @@ fn test_scroll_harness() -> Harness<'static, bool> {
         )
 }
 
+#[cfg(feature = "snapshot")]
 #[test]
 fn test_scroll_to_me() {
     let mut harness = test_scroll_harness();