public static void TestAddAndRemovePackage(
            IntegrationTester.TestCase testCase,
            Action <IntegrationTester.TestCaseResult> testCaseComplete)
        {
            var          testCaseResult  = new IntegrationTester.TestCaseResult(testCase);
            const string packageToModify = "com.unity.ads";

            UnityPackageManagerClient.AddPackage(
                packageToModify,
                (result) => {
                if (UpmAvailable)
                {
                    CheckChangeResult(result.Error,
                                      result.Package != null ? result.Package.Name : null,
                                      packageToModify, testCaseResult);
                }
            });

            UnityPackageManagerClient.RemovePackage(
                packageToModify,
                (result) => {
                var message = UpmAvailable ?
                              CheckChangeResult(result.Error, result.PackageId, packageToModify,
                                                testCaseResult) : "";
                if (testCaseResult.ErrorMessages.Count == 0)
                {
                    UnityEngine.Debug.Log(message);
                }
                testCaseComplete(testCaseResult);
            });
        }
        public static void TestAddPackage(
            IntegrationTester.TestCase testCase,
            Action <IntegrationTester.TestCaseResult> testCaseComplete)
        {
            var          testCaseResult = new IntegrationTester.TestCaseResult(testCase);
            const string installPackage = "com.unity.analytics";

            UnityPackageManagerClient.AddPackage(
                installPackage,
                (result) => {
                var message = UpmAvailable ? CheckChangeResult(
                    result.Error, result.Package != null ? result.Package.Name : null,
                    installPackage, testCaseResult) : "";
                if (testCaseResult.ErrorMessages.Count == 0)
                {
                    UnityEngine.Debug.Log(message);
                }
                testCaseComplete(testCaseResult);
            });
        }