message: added createTest function
diff: import { observable } from "mobx";
  +import Test from "../../models/Test";
  export default class ProjectStore {
  @observable name = "";
  @@ -10,6 +11,13 @@ export default class ProjectStore {
  this.addTest = this.addTest.bind(this);
  }
  + createTest(...argv) {
  + const test = new Test(undefined, ...argv);
  + this.addTest(test);
  +
  + return test;
  + }
  +
  addTest(test) {
  if (!test || test.constructor.name !== "Test") {
  throw new Error(`Expected to receive Test instead received ${test ? test.constructor.name : test}`);
  