Increase unit test coverage

lib/src/hooks/use-loader.test.tsx

@@ -0,0 +1,16 @@
+import { cleanup, render, renderHook, screen, act } from "@testing-library/react";
+import { afterEach, describe, test } from "vitest";
+import { LoaderContainer } from "../client";
+import { useLoader } from "./use-loader";
+
+describe.concurrent("loader-container", () => {
+  afterEach(cleanup);
+
+  test("Test hook", ({ expect }) => {
+    const { result } = renderHook(() => useLoader());
+    const { container } = render(<LoaderContainer />);
+    expect(container.childElementCount).toBe(0);
+    act(() => result.current.setLoading(true));
+    expect(container.childElementCount).toBe(1);
+  });
+});

lib/src/server/dots/dots2/dots2.test.tsx

@@ -6,6 +6,6 @@ describe.concurrent("dots2", () => {
   afterEach(cleanup);
 
   test("check if renders without errors", ({ expect }) => {
-    render(<Dots2 />);
+    render(<Dots2 dotRadius={25} />);
   });
 });