public async Task CreateOrUpdateAtMgmtGroup()
{
//This test uses a pre-created management group.
ManagementGroupResource mgmtGroup = await GetCreatedManagementGroup();
string policyAssignmentName = Recording.GenerateAssetName("polAssign-");
PolicyAssignmentResource policyAssignment = await CreatePolicyAssignment(mgmtGroup, policyAssignmentName);
string policyExemptionName = Recording.GenerateAssetName("polExemp-");
PolicyExemptionResource policyExemption = await CreatePolicyExemption(mgmtGroup, policyAssignment, policyExemptionName);
Assert.AreEqual(policyExemptionName, policyExemption.Data.Name);
Assert.ThrowsAsync <ArgumentNullException>(async() => _ = await mgmtGroup.GetPolicyExemptions().CreateOrUpdateAsync(WaitUntil.Completed, null, policyExemption.Data));
Assert.ThrowsAsync <ArgumentNullException>(async() => _ = await mgmtGroup.GetPolicyExemptions().CreateOrUpdateAsync(WaitUntil.Completed, policyExemptionName, null));
}
