public void TestGetAllCenters()
{
CenterInputModel centerModel = this.GetInputModel();
CenterInputModel centerTwoModel = this.GetInputModel();
centerTwoModel.Name = "New";
ICenterService centerService = new CenterService(this.dbContext);
centerService.CreateCenter(centerModel);
centerService.CreateCenter(centerTwoModel);
var result = centerService.GetAllCenters().Count();
Assert.True(result != 0, "Centers count is incorrect!");
}