public async Task TestGetServiceClusterIpAsync_ReturnsClusterIpFromService()
        {
            const string expectedClusterIP = "expectedClusterIP";

            SetupGetJsonOutput(new GkeService {
                Spec = new GkeServiceSpec {
                    ClusterIp = expectedClusterIP
                }
            });

            string result = await _objectUnderTest.GetServiceClusterIpAsync(DefaultServiceName);

            Assert.AreEqual(expectedClusterIP, result);
        }