chore: audit components

crates/core/tests/separator.rs

@@ -3,7 +3,7 @@ use gpui::{
     VisualTestContext, Window, div, px,
 };
 use gpui_native_core::separator::{Separator, SeparatorOrientation};
-use gpui_native_theme::Theme;
+use gpui_native_theme::{BORDER_WIDTH, Theme};
 
 struct Harness {
     orientation: SeparatorOrientation,
@@ -47,7 +47,7 @@ fn the_horizontal_rule_spans_its_container_at_hairline_height() {
         .debug_bounds("test-separator")
         .expect("horizontal separator rendered");
     assert_eq!(bounds.size.width, px(200.));
-    assert_eq!(bounds.size.height, px(1.));
+    assert_eq!(bounds.size.height, BORDER_WIDTH);
 }
 
 #[test]
@@ -56,6 +56,6 @@ fn the_vertical_rule_spans_its_container_at_hairline_width() {
     let bounds = visual
         .debug_bounds("test-separator")
         .expect("vertical separator rendered");
-    assert_eq!(bounds.size.width, px(1.));
+    assert_eq!(bounds.size.width, BORDER_WIDTH);
     assert_eq!(bounds.size.height, px(50.));
 }