Fix/update UT case name (#1224)

* support tmp promethus config

* modified according to heller's comment.

* add ut

* save the tf resource to tfstate locally instead of call the read method

* Revised the spec and ut for the name rule about PrometheusConfigItem.Name field.

* update the ut

* change ut case name

Co-authored-by: nickyinluo <nickyinluo@tencent.com>

Author: lyu571

tencentcloud/resource_tc_monitor_tmp_tke_config_test.go

@@ -43,7 +43,7 @@ func init() {
 	})
 }
 
-func TestAccTencentCloudTmpTkeConfig_basic(t *testing.T) {
+func TestAccTencentCloudMonitorTmpTkeConfig_basic(t *testing.T) {
 	t.Parallel()
 	id := new(string)