feat: added node-tooltips to the editor

test/test-utils/test-utils.tsx

@@ -19,6 +19,48 @@ export function renderWithProviders(
 }
 
 
+type SidebarRect = Partial<DOMRect>;
+
+const defaultRect: DOMRect = {
+  top: 0,
+  left: 0,
+  bottom: 100,
+  right: 200,
+  width: 200,
+  height: 100,
+  x: 0,
+  y: 0,
+  toJSON: () => {},
+};
+
+/**
+ * Renders a component and injects a mock `#draggable-sidebar`
+ * element required by Tooltip positioning logic.
+ */
+export function renderWithSidebar(
+  ui: ReactElement,
+  rect: SidebarRect = {},
+  options?: RenderOptions
+) {
+  const sidebar = document.createElement('div');
+  sidebar.id = 'draggable-sidebar';
+
+  sidebar.getBoundingClientRect = jest.fn(() => ({
+    ...defaultRect,
+    ...rect,
+  }));
+
+  document.body.appendChild(sidebar);
+
+  const result = render(ui, options);
+
+  return {
+    ...result,
+    sidebar,
+  };
+}
+
+
 // Re-export everything from testing library
 //eslint-disable-next-line react-refresh/only-export-components
 export * from '@testing-library/react';