Function add

modules/test-utils/src/test-runner.ts:81–89

* Add testCase(s)

(testCases: TestCaseT[])

   * Add testCase(s)
   */
  add(testCases: TestCaseT[]): this {
    if (!Array.isArray(testCases)) {
      testCases = [testCases];
    }
    for (const testCase of testCases) {
      this._testCases.push(testCase);
    }
    return this;
  }

  /**
   * Returns a promise that resolves when all the test cases are done