Reduce go unittest time cost (#8492)

Signed-off-by: Nyhmo <yihua.mo@zilliz.com>

internal/querycoord/impl_test.go

@@ -344,7 +344,7 @@ func TestLoadBalanceTask(t *testing.T) {
 	queryNode2, err := startQueryNodeServer(baseCtx)
 	assert.Nil(t, err)
 
-	time.Sleep(time.Second)
+	time.Sleep(100 * time.Millisecond)
 	res, err := queryCoord.LoadCollection(baseCtx, &querypb.LoadCollectionRequest{
 		Base: &commonpb.MsgBase{
 			MsgType: commonpb.MsgType_LoadCollection,
@@ -355,7 +355,7 @@ func TestLoadBalanceTask(t *testing.T) {
 	assert.Nil(t, err)
 	assert.Equal(t, commonpb.ErrorCode_Success, res.ErrorCode)
 
-	time.Sleep(time.Second)
+	time.Sleep(100 * time.Millisecond)
 	for {
 		collectionInfo := queryCoord.meta.showCollections()
 		if collectionInfo[0].InMemoryPercentage == 100 {

internal/querycoord/querynode_test.go

@@ -70,7 +70,7 @@ func waitAllQueryNodeOffline(cluster Cluster, nodes map[int64]Node) bool {
 			return true
 		}
 		log.Debug("wait all queryNode offline")
-		time.Sleep(time.Second)
+		time.Sleep(100 * time.Millisecond)
 		reDoCount--
 	}
 }
@@ -88,7 +88,7 @@ func TestQueryNode_MultiNode_stop(t *testing.T) {
 	queryNode5, err := startQueryNodeServer(baseCtx)
 	assert.Nil(t, err)
 
-	time.Sleep(2 * time.Second)
+	time.Sleep(100 * time.Millisecond)
 	queryNode1.stop()
 	err = removeNodeSession(queryNode1.queryNodeID)
 	assert.Nil(t, err)
@@ -100,7 +100,7 @@ func TestQueryNode_MultiNode_stop(t *testing.T) {
 		CollectionID: defaultCollectionID,
 		Schema:       genCollectionSchema(defaultCollectionID, false),
 	})
-	time.Sleep(2 * time.Second)
+	time.Sleep(100 * time.Millisecond)
 	_, err = queryCoord.ReleaseCollection(baseCtx, &querypb.ReleaseCollectionRequest{
 		Base: &commonpb.MsgBase{
 			MsgType: commonpb.MsgType_ReleaseCollection,
@@ -108,7 +108,7 @@ func TestQueryNode_MultiNode_stop(t *testing.T) {
 		CollectionID: defaultCollectionID,
 	})
 	assert.Nil(t, err)
-	time.Sleep(2 * time.Second)
+	time.Sleep(100 * time.Millisecond)
 	nodes, err := queryCoord.cluster.onlineNodes()
 	assert.Nil(t, err)
 	queryNode5.stop()
@@ -132,7 +132,7 @@ func TestQueryNode_MultiNode_reStart(t *testing.T) {
 	queryNode1, err := startQueryNodeServer(baseCtx)
 	assert.Nil(t, err)
 
-	time.Sleep(2 * time.Second)
+	time.Sleep(100 * time.Millisecond)
 	queryCoord.LoadCollection(baseCtx, &querypb.LoadCollectionRequest{
 		Base: &commonpb.MsgBase{
 			MsgType: commonpb.MsgType_LoadCollection,
@@ -146,7 +146,7 @@ func TestQueryNode_MultiNode_reStart(t *testing.T) {
 	queryNode3, err := startQueryNodeServer(baseCtx)
 	assert.Nil(t, err)
 
-	time.Sleep(2 * time.Second)
+	time.Sleep(100 * time.Millisecond)
 	_, err = queryCoord.ReleaseCollection(baseCtx, &querypb.ReleaseCollectionRequest{
 		Base: &commonpb.MsgBase{
 			MsgType: commonpb.MsgType_ReleaseCollection,