public async Task ItShouldSearchAllExistingCoursesWithAnEmptyCriteria()
{
var existingCourse = BackofficeCourseMother.Random();
var anotherExistingCourse = BackofficeCourseMother.Random();
var existingCourses = new List <BackofficeCourse>
{
existingCourse, anotherExistingCourse
};
await ElasticRepository.Save(existingCourse);
await ElasticRepository.Save(anotherExistingCourse);
await WaitFor(async() => (await ElasticRepository.SearchAll()).Any());
Assert.Equal(existingCourses, (await ElasticRepository.Matching(CriteriaMother.Empty())).ToList());
}