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