Add small improvement

packages/opentelemetry-mutable-baggage/src/index.test.ts

@@ -1,28 +1,13 @@
-import {
-  W3CMutableBaggagePropagator,
-  createMutableBaggage,
-  getActiveMutableBaggage,
-  getMutableBaggage,
-  setMutableBaggage
-} from '.';
+import * as exports from '.';
 import { expect, it } from 'vitest';
 
-it('should export `W3CMutableBaggagePropagator()`', () => {
-  expect(W3CMutableBaggagePropagator).toBeDefined();
-});
-
-it('should export `getActiveMutableBaggage()`', () => {
-  expect(getActiveMutableBaggage).toBeDefined();
-});
-
-it('should export `getMutableBaggage()`', () => {
-  expect(getMutableBaggage).toBeDefined();
-});
-
-it('should export `setMutableBaggage()`', () => {
-  expect(setMutableBaggage).toBeDefined();
-});
-
-it('should export `createMutableBaggage()`', () => {
-  expect(createMutableBaggage).toBeDefined();
+it('should have the correct exports', () => {
+  expect({ ...exports }).toEqual({
+    MutableBaggageImpl: expect.any(Function),
+    W3CMutableBaggagePropagator: expect.any(Function),
+    createMutableBaggage: expect.any(Function),
+    getActiveMutableBaggage: expect.any(Function),
+    getMutableBaggage: expect.any(Function),
+    setMutableBaggage: expect.any(Function)
+  });
 });