Improve import statement (#13728)

Signed-off-by: NXiangyu Wang <xiangyu.wang@zilliz.com>

internal/datacoord/mock_test.go

@@ -23,12 +23,7 @@ import (
 	"time"
 
 	"github.com/milvus-io/milvus/internal/kv"
-	"github.com/milvus-io/milvus/internal/util/metricsinfo"
-	"github.com/milvus-io/milvus/internal/util/typeutil"
-
 	memkv "github.com/milvus-io/milvus/internal/kv/mem"
-	"github.com/milvus-io/milvus/internal/util/tsoutil"
-
 	"github.com/milvus-io/milvus/internal/proto/commonpb"
 	"github.com/milvus-io/milvus/internal/proto/datapb"
 	"github.com/milvus-io/milvus/internal/proto/internalpb"
@@ -36,6 +31,9 @@ import (
 	"github.com/milvus-io/milvus/internal/proto/proxypb"
 	"github.com/milvus-io/milvus/internal/proto/rootcoordpb"
 	"github.com/milvus-io/milvus/internal/proto/schemapb"
+	"github.com/milvus-io/milvus/internal/util/metricsinfo"
+	"github.com/milvus-io/milvus/internal/util/tsoutil"
+	"github.com/milvus-io/milvus/internal/util/typeutil"
 )
 
 func newMemoryMeta(allocator allocator) (*meta, error) {