fix null

frontend/src/business/components/api/test/ApiTestConfig.vue

@@ -75,6 +75,7 @@
       },
       getTest: function (id) {
         this.result = this.$get("/api/get/" + id, response => {
+          if (response.data) {
             let item = response.data;
 
             this.test = new Test({
@@ -84,6 +85,7 @@
               scenarioDefinition: JSON.parse(item.scenarioDefinition),
             });
             this.$refs.config.reset();
+          }
         });
       },
       saveTest: function () {