test: prevent handling in-flight requests after worker was stopped

test/browser/msw-api/setup-worker/stop/in-flight-request.test.ts

@@ -60,3 +60,45 @@ test('bypasses requests made after the worker was stopped', async ({
 
   await expect(dataPromise).resolves.toBe('original response')
 })
+
+// Note: Let's temporarily repeat this test to make it more likely to identify flakyness.
+// This is not a definitive test case.
+for (let testNumber = 1; testNumber <= 50; testNumber++) {
+  test(`bypasses requests not immediately made after the worker was stopped, considering no default response (${testNumber})`, async ({
+    loadExample,
+    page,
+  }) => {
+    await loadExample(new URL('./in-flight-request.mocks.ts', import.meta.url))
+
+    // Stop worker and make request in different `page.evaluate` calls.
+    await page.evaluate(async () => {
+      window.msw.worker.stop()
+    })
+
+    const data = await page.evaluate(async () => {
+      return fetch('/resource').then((response) => response.text())
+    })
+
+    expect(data).toContain('Cannot GET /resource')
+  })
+}
+
+// Note: Let's temporarily repeat this test to make it more likely to identify flakyness.
+// This is not a definitive test case.
+for (let testNumber = 1; testNumber <= 50; testNumber++) {
+  test(`bypasses requests immediately made after the worker was stopped, considering no default response (${testNumber})`, async ({
+    loadExample,
+    page,
+  }) => {
+    await loadExample(new URL('./in-flight-request.mocks.ts', import.meta.url))
+
+    // Stop worker and make request in the same `page.evaluate` call.
+    const data = await page.evaluate(async () => {
+      window.msw.worker.stop()
+
+      return fetch('/resource').then((response) => response.text())
+    })
+
+    expect(data).toContain('Cannot GET /resource')
+  })
+}