fix: workspace routes integration failed (opensearch-project#251)

Signed-off-by: Lin Wang <wonglam@amazon.com>

src/plugins/workspace/server/integration_tests/routes.test.ts

@@ -53,12 +53,14 @@ describe('workspace service', () => {
       const savedObjectsRepository = osd.coreStart.savedObjects.createInternalRepository([
         WORKSPACE_TYPE,
       ]);
-      await Promise.all(
-        listResult.body.result.workspaces.map((item: WorkspaceAttribute) =>
-          // this will delete reserved workspace
-          savedObjectsRepository.delete(WORKSPACE_TYPE, item.id)
+      await expect(
+        Promise.all(
+          listResult.body.result.workspaces.map((item: WorkspaceAttribute) =>
+            // this will delete reserved workspace
+            savedObjectsRepository.delete(WORKSPACE_TYPE, item.id)
+          )
         )
-      );
+      ).resolves.toBeInstanceOf(Array);
     });
     it('create', async () => {
       await osdTestServer.request
@@ -194,7 +196,8 @@ describe('workspace service', () => {
           page: 1,
         })
         .expect(200);
-      expect(listResult.body.result.total).toEqual(2);
+      // Global and Management workspace will be created by default after workspace list API called.
+      expect(listResult.body.result.total).toEqual(4);
     });
     it('unable to perform operations on workspace by calling saved objects APIs', async () => {
       const result = await osdTestServer.request
@@ -256,7 +259,8 @@ describe('workspace service', () => {
         })
         .expect(200);
       expect(findResult.body.total).toEqual(0);
-      expect(listResult.body.result.total).toEqual(1);
+      // Global and Management workspace will be created by default after workspace list API called.
+      expect(listResult.body.result.total).toEqual(3);
     });
   });
 });