public void CREATE()
{
// Arrange
var getParty = PartyResource.Show(187341289);
var milestone = MilestoneResource.List();
var opp = Opportunity.Create(nestedParty: getParty,
name: $"Integration Test - {DateTime.Now.ToString("yyyyMMddHHmmss")}",
nestedMilestone: milestone.Milestones.FirstOrDefault());
// Act
var createResponse = OpportunityResource.Create(opp);
// Assert
Assert.True(createResponse.Id > 0);
}