client/http: fix the URI of GetRegionLabelRulesByIDs (#8490) (#8493)

close #8491, ref pingcap/tidb#55188

Fix the URI of `GetRegionLabelRulesByIDs` to correct the call.

Signed-off-by: ti-chi-bot <ti-community-prow-bot@tidb.io>
Signed-off-by: JmPotato <ghzpotato@gmail.com>

Co-authored-by: JmPotato <ghzpotato@gmail.com>

client/http/interface.go

@@ -672,7 +672,7 @@ func (c *client) GetRegionLabelRulesByIDs(ctx context.Context, ruleIDs []string)
 	var labelRules []*LabelRule
 	err = c.request(ctx, newRequestInfo().
 		WithName(getRegionLabelRulesByIDsName).
-		WithURI(RegionLabelRules).
+		WithURI(RegionLabelRulesByIDs).
 		WithMethod(http.MethodGet).
 		WithBody(idsJSON).
 		WithResp(&labelRules))

tests/integrations/client/http_client_test.go

@@ -451,6 +451,10 @@ func (suite *httpClientTestSuite) checkRegionLabel(mode mode, client pd.Client)
 	re.Equal(labelRule.ID, allLabelRules[1].ID)
 	re.Equal(labelRule.Labels, allLabelRules[1].Labels)
 	re.Equal(labelRule.RuleType, allLabelRules[1].RuleType)
+	labelRules, err = client.GetRegionLabelRulesByIDs(env.ctx, []string{"rule2"})
+	re.NoError(err)
+	re.Len(labelRules, 1)
+	re.Equal(labelRule, labelRules[0])
 	labelRules, err = client.GetRegionLabelRulesByIDs(env.ctx, []string{"keyspaces/0", "rule2"})
 	re.NoError(err)
 	sort.Slice(labelRules, func(i, j int) bool {