public void Content_is_found_by_random_index() { var result = sut.GetNextContent(); result.Message.Should().Be("m3"); result = sut.GetNextContent(); result.Message.Should().Be("m1"); result = sut.GetNextContent(); result.Message.Should().Be("m2"); result = sut.GetNextContent(); result.Message.Should().Be("m4"); result = sut.GetNextContent(); result.Message.Should().Be("m5"); }