enhance: Set log level to INFO for integration test (#31136)

- Set log level to INFO for integration test
- Improve hello_milvus integration test runtime and error check

Signed-off-by: Congqi Xia <congqi.xia@zilliz.com>

tests/integration/hellomilvus/hello_milvus_test.go

@@ -31,6 +31,7 @@ import (
 	"github.com/milvus-io/milvus/pkg/common"
 	"github.com/milvus-io/milvus/pkg/log"
 	"github.com/milvus-io/milvus/pkg/util/funcutil"
+	"github.com/milvus-io/milvus/pkg/util/merr"
 	"github.com/milvus-io/milvus/pkg/util/metric"
 	"github.com/milvus-io/milvus/tests/integration"
 )
@@ -146,11 +147,20 @@ func (s *HelloMilvusSuite) TestHelloMilvus() {
 
 	searchResult, err := c.Proxy.Search(ctx, searchReq)
 
-	if searchResult.GetStatus().GetErrorCode() != commonpb.ErrorCode_Success {
-		log.Warn("searchResult fail reason", zap.String("reason", searchResult.GetStatus().GetReason()))
-	}
+	err = merr.CheckRPCCall(searchResult, err)
+	s.NoError(err)
+
+	status, err := c.Proxy.ReleaseCollection(ctx, &milvuspb.ReleaseCollectionRequest{
+		CollectionName: collectionName,
+	})
+	err = merr.CheckRPCCall(status, err)
+	s.NoError(err)
+
+	status, err = c.Proxy.DropCollection(ctx, &milvuspb.DropCollectionRequest{
+		CollectionName: collectionName,
+	})
+	err = merr.CheckRPCCall(status, err)
 	s.NoError(err)
-	s.Equal(commonpb.ErrorCode_Success, searchResult.GetStatus().GetErrorCode())
 
 	log.Info("TestHelloMilvus succeed")
 }

tests/integration/suite.go

@@ -25,7 +25,9 @@ import (
 
 	"github.com/stretchr/testify/suite"
 	"go.etcd.io/etcd/server/v3/embed"
+	"go.uber.org/zap/zapcore"
 
+	"github.com/milvus-io/milvus/pkg/log"
 	"github.com/milvus-io/milvus/pkg/util/etcd"
 	"github.com/milvus-io/milvus/pkg/util/paramtable"
 )
@@ -80,6 +82,7 @@ func (s *MiniClusterSuite) TearDownSuite() {
 }
 
 func (s *MiniClusterSuite) SetupTest() {
+	log.SetLevel(zapcore.InfoLevel)
 	s.T().Log("Setup test...")
 	// setup mini cluster to use embed etcd
 	endpoints := etcd.GetEmbedEtcdEndpoints(s.EtcdServer)