diff --git a/src/components/bookmarks/group.test.jsx b/src/components/bookmarks/group.test.jsx
index 6548a5127..02d917f4e 100644
--- a/src/components/bookmarks/group.test.jsx
+++ b/src/components/bookmarks/group.test.jsx
@@ -23,7 +23,7 @@ vi.mock("@headlessui/react", async () => {
 
   const DisclosurePanel = React.forwardRef(function DisclosurePanel(props, ref) {
     // HeadlessUI uses a boolean `static` prop; avoid forwarding it to the DOM.
-    const { static: isStatic, ...rest } = props; // eslint-disable-line no-unused-vars
+    const { static: _static, ...rest } = props;
     return <div ref={ref} data-testid="disclosure-panel" {...rest} />;
   });
 
diff --git a/src/components/quicklaunch.test.jsx b/src/components/quicklaunch.test.jsx
new file mode 100644
index 000000000..1480df02d
--- /dev/null
+++ b/src/components/quicklaunch.test.jsx
@@ -0,0 +1,84 @@
+// @vitest-environment jsdom
+
+import { act, fireEvent, screen, waitFor } from "@testing-library/react";
+import { useState } from "react";
+import { describe, expect, it, vi } from "vitest";
+
+import { renderWithProviders } from "test-utils/render-with-providers";
+
+const { useSWR } = vi.hoisted(() => ({ useSWR: vi.fn() }));
+
+vi.mock("swr", () => ({
+  default: useSWR,
+}));
+
+vi.mock("./resolvedicon", () => ({
+  default: function ResolvedIconMock() {
+    return <div data-testid="resolved-icon" />;
+  },
+}));
+
+vi.mock("./widgets/search/search", () => ({
+  getStoredProvider: () => null,
+  searchProviders: {
+    duckduckgo: {
+      name: "DuckDuckGo",
+      url: "https://duckduckgo.example/?q=",
+      suggestionUrl: "https://duckduckgo.example/ac/?q=",
+    },
+  },
+}));
+
+import QuickLaunch from "./quicklaunch";
+
+function Wrapper({ servicesAndBookmarks = [] } = {}) {
+  const [searchString, setSearchString] = useState("");
+  const [isOpen, setSearching] = useState(true);
+
+  return (
+    <QuickLaunch
+      servicesAndBookmarks={servicesAndBookmarks}
+      searchString={searchString}
+      setSearchString={setSearchString}
+      isOpen={isOpen}
+      setSearching={setSearching}
+    />
+  );
+}
+
+describe("components/quicklaunch", () => {
+  it("renders results for urls and opens the selected result on Enter", async () => {
+    const openSpy = vi.spyOn(window, "open").mockImplementation(() => null);
+
+    useSWR.mockReturnValue({ data: {}, error: undefined });
+
+    renderWithProviders(<Wrapper />, {
+      settings: {
+        target: "_self",
+        quicklaunch: {
+          provider: "duckduckgo",
+          showSearchSuggestions: false,
+        },
+      },
+    });
+
+    const input = screen.getByPlaceholderText("Search");
+    await waitFor(() => expect(input).toHaveFocus());
+
+    fireEvent.change(input, { target: { value: "example.com" } });
+
+    expect(await screen.findByText("quicklaunch.visit URL")).toBeInTheDocument();
+    expect(screen.getByText("DuckDuckGo quicklaunch.search")).toBeInTheDocument();
+
+    fireEvent.keyDown(input, { key: "Enter" });
+
+    await act(async () => {
+      // Close/reset schedules timeouts (200ms + 300ms); flush them to avoid state updates after cleanup.
+      await new Promise((r) => setTimeout(r, 350));
+    });
+
+    expect(openSpy).toHaveBeenCalledWith("https://example.com/", "_self", "noreferrer");
+
+    openSpy.mockRestore();
+  });
+});
diff --git a/src/components/services/widget.jsx b/src/components/services/widget.jsx
index 6e3a63608..98b3bfdbf 100644
--- a/src/components/services/widget.jsx
+++ b/src/components/services/widget.jsx
@@ -8,8 +8,7 @@ export default function Widget({ widget, service }) {
 
   const ServiceWidget = components[widget.type];
 
-  const fullService = Object.apply({}, service);
-  fullService.widget = widget;
+  const fullService = { ...service, widget };
   if (ServiceWidget) {
     return (
       <ErrorBoundary>
diff --git a/src/components/services/widget.test.jsx b/src/components/services/widget.test.jsx
new file mode 100644
index 000000000..ef4d233ee
--- /dev/null
+++ b/src/components/services/widget.test.jsx
@@ -0,0 +1,38 @@
+// @vitest-environment jsdom
+
+import { render, screen } from "@testing-library/react";
+import { describe, expect, it, vi } from "vitest";
+
+vi.mock("components/errorboundry", () => ({
+  default: function ErrorBoundaryMock({ children }) {
+    return <>{children}</>;
+  },
+}));
+
+vi.mock("widgets/components", () => ({
+  default: {
+    mock: function MockWidget({ service }) {
+      return (
+        <div data-testid="mock-service-widget">
+          {service.name}:{service.widget?.type}
+        </div>
+      );
+    },
+  },
+}));
+
+import Widget from "./widget";
+
+describe("components/services/widget", () => {
+  it("renders the mapped widget component and passes merged service.widget", () => {
+    render(<Widget widget={{ type: "mock" }} service={{ name: "Svc" }} />);
+
+    expect(screen.getByTestId("mock-service-widget")).toHaveTextContent("Svc:mock");
+  });
+
+  it("renders a missing widget message when the type is unknown", () => {
+    render(<Widget widget={{ type: "nope" }} service={{ name: "Svc" }} />);
+
+    expect(screen.getByText("widget.missing_type")).toBeInTheDocument();
+  });
+});
diff --git a/src/components/services/widget/error.test.jsx b/src/components/services/widget/error.test.jsx
new file mode 100644
index 000000000..11896ca8f
--- /dev/null
+++ b/src/components/services/widget/error.test.jsx
@@ -0,0 +1,45 @@
+// @vitest-environment jsdom
+
+import { render, screen } from "@testing-library/react";
+import { describe, expect, it } from "vitest";
+
+import Error from "./error";
+
+describe("components/services/widget/error", () => {
+  it("normalizes string errors to an object with a message", () => {
+    render(<Error error="boom" />);
+
+    expect(screen.getByText((_, el) => el?.textContent === "widget.api_error:")).toBeInTheDocument();
+    expect(screen.getByText(/boom/)).toBeInTheDocument();
+  });
+
+  it("normalizes numeric errors to an object with a message", () => {
+    render(<Error error={500} />);
+
+    expect(screen.getByText(/Error 500/)).toBeInTheDocument();
+  });
+
+  it("unwraps nested response errors and renders raw/data sections", () => {
+    render(
+      <Error
+        error={{
+          message: "outer",
+          data: {
+            error: {
+              message: "inner",
+              url: "https://example.com",
+              rawError: ["oops", { code: 1 }],
+              data: { type: "Buffer", data: [97, 98] },
+            },
+          },
+        }}
+      />,
+    );
+
+    expect(screen.getByText(/inner/)).toBeInTheDocument();
+    expect(screen.getByText("https://example.com")).toBeInTheDocument();
+    expect(screen.getByText(/\"code\": 1/)).toBeInTheDocument();
+    // Buffer.from({type:"Buffer",data:[97,98]}).toString() === "ab"
+    expect(screen.getByText(/ab/)).toBeInTheDocument();
+  });
+});
diff --git a/src/components/services/widget/highlight-context.test.jsx b/src/components/services/widget/highlight-context.test.jsx
new file mode 100644
index 000000000..6640fabe6
--- /dev/null
+++ b/src/components/services/widget/highlight-context.test.jsx
@@ -0,0 +1,29 @@
+// @vitest-environment jsdom
+
+import { render, screen } from "@testing-library/react";
+import { describe, expect, it } from "vitest";
+
+import { useContext } from "react";
+
+import { BlockHighlightContext } from "./highlight-context";
+
+function Reader() {
+  const value = useContext(BlockHighlightContext);
+  return <div data-testid="value">{value === null ? "null" : value}</div>;
+}
+
+describe("components/services/widget/highlight-context", () => {
+  it("defaults to null", () => {
+    render(<Reader />);
+    expect(screen.getByTestId("value")).toHaveTextContent("null");
+  });
+
+  it("provides a value to consumers", () => {
+    render(
+      <BlockHighlightContext.Provider value="on">
+        <Reader />
+      </BlockHighlightContext.Provider>,
+    );
+    expect(screen.getByTestId("value")).toHaveTextContent("on");
+  });
+});