public async Task EnsuresNonEmptyArguments()
            {
                var connection = Substitute.For <IApiConnection>();
                var client     = new CheckRunsClient(connection);

                await Assert.ThrowsAsync <ArgumentException>(() => client.Get("", "repo", 1));

                await Assert.ThrowsAsync <ArgumentException>(() => client.Get("fake", "", 1));
            }
            public async Task RequestsCorrectUrlWithRepositoryId()
            {
                var connection = Substitute.For <IApiConnection>();
                var client     = new CheckRunsClient(connection);

                await client.Get(1, 1);

                connection.Received().Get <CheckRun>(
                    Arg.Is <Uri>(u => u.ToString() == "repositories/1/check-runs/1"),
                    null,
                    "application/vnd.github.antiope-preview+json");
            }