message: Add UnitController GET success unit test
diff: @@ -39,6 +39,17 @@ describe(`CodeKataUnit ${BASE_URL}`, () => {
  await testHelper.resetForNextTest();
  });
  + describe(`GET ${BASE_URL}`, () => {
  + it('should get unit data', async () => {
  + const unit = await Unit.findOne({__t: 'code-kata'});
  + const course = await Course.findById(unit._course);
  + const courseAdmin = await User.findById(course.courseAdmin);
  +
  + const res = await testHelper.commonUserGetRequest(courseAdmin, `/${unit.id}`);
  + res.status.should.be.equal(200);
  + });
  + });
  +
  describe(`POST ${BASE_URL}`, () => {
  it('should fail with wrong authorization', async () => {
  const res = await chai.request(app)
  