diff --git a/test/grpc/Basic.spec.ts b/test/grpc/Basic.spec.ts
index bd092fcf..49762eb9 100644
--- a/test/grpc/Basic.spec.ts
+++ b/test/grpc/Basic.spec.ts
@@ -24,6 +24,15 @@ const schema = [
     max_length: 128,
     is_partition_key: false,
   },
+  {
+    name: 'array',
+    description: 'array field',
+    data_type: DataType.Array,
+    element_type: DataType.VarChar,
+    max_capacity: 128,
+    max_length: 128,
+    is_partition_key: false,
+  },
 ];
 
 describe(`Basic API without database`, () => {
@@ -35,6 +44,13 @@ describe(`Basic API without database`, () => {
     expect(res.error_code).toEqual(ErrorCode.SUCCESS);
   });
 
+  it(`Describe collection should be successful`, async () => {
+    const desc = await milvusClient.describeCollection({
+      collection_name: COLLECTION_NAME,
+    });
+    expect(desc.schema.fields.length).toEqual(schema.length);
+  });
+
   it(`Create index should be successful`, async () => {
     const index = await milvusClient.createIndex({
       collection_name: COLLECTION_NAME,