message: Add stub-URLs to suspenseExchange tests
diff: @@ -22,7 +22,7 @@ afterEach(() => {
  it('logs a warning if suspense mode is not activated', () => {
  const warn = jest.spyOn(console, 'warn').mockImplementation(() => { /* noop */ });
  - const client = createClient({ url: '', suspense: false });
  + const client = createClient({ url: 'https://example.com', suspense: false });
  const forward = jest.fn(() => fromArray([]));
  const ops = fromArray([]);
  @@ -33,7 +33,7 @@ it('logs a warning if suspense mode is not activated', () => {
  });
  it('forwards skipped operations', () => {
  - const client = createClient({ url: '', suspense: true });
  + const client = createClient({ url: 'https://example.com', suspense: true });
  const operation = client.createRequestOperation('mutation', {
  key: 123,
  query: {} as any,
  @@ -55,7 +55,7 @@ it('forwards skipped operations', () => {
  it('resolves synchronous results immediately', () => {
  let prevResult;
  - const client = createClient({ url: '', suspense: true });
  + const client = createClient({ url: 'https://example.com', suspense: true });
  const operation = client.createRequestOperation('query', {
  key: 123,
  query: {} as any,
  @@ -89,7 +89,7 @@ it('resolves synchronous results immediately', () => {
  it('caches asynchronous results once for suspense', () => {
  let prevResult;
  - const client = createClient({ url: '', suspense: true });
  + const client = createClient({ url: 'https://example.com', suspense: true });
  const operation = client.createRequestOperation('query', {
  key: 123,
  query: {} as any,
  