message: createSuite function added
diff: import { observable } from "mobx";
  import Test from "../../models/Test";
  +import Suite from "../../models/Suite";
  export default class ProjectStore {
  @observable name = "";
  @@ -11,6 +12,13 @@ export default class ProjectStore {
  this.addTest = this.addTest.bind(this);
  }
  + createSuite(...argv) {
  + const suite = new Suite(undefined, ...argv);
  + this.suites.push(suite);
  +
  + return suite;
  + }
  +
  createTest(...argv) {
  const test = new Test(undefined, ...argv);
  this.addTest(test);
  