chore: Add unit test coverage for the experiments context provider

Author: flozia

src/contextProviders/experiments.test.tsx

@@ -0,0 +1,35 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+import { render } from "@testing-library/react";
+import { ExperimentsProvider, useExperiments } from "./experiments";
+import { defaultExperimentData } from "../telemetry/generated/nimbus/experiments";
+
+describe("Experiment context provider", () => {
+  it("provides the experiment data", () => {
+    const TestComponent = () => {
+      const experimentData = useExperiments();
+      expect(experimentData).not.toBeNull();
+      return <div />;
+    };
+    const { container } = render(
+      <ExperimentsProvider experimentData={defaultExperimentData}>
+        <TestComponent />
+      </ExperimentsProvider>,
+    );
+
+    expect(container).toBeDefined();
+  });
+
+  it("does not provide experiment data", () => {
+    const TestComponent = () => {
+      const experimentData = useExperiments();
+      expect(experimentData).toBeNull();
+      return <div />;
+    };
+    const { container } = render(<TestComponent />);
+
+    expect(container).toBeDefined();
+  });
+});