private static IGeometry GetTestPerimeter([CanBeNull] AreaOfInterest areaOfInterest,
[NotNull] TestContainer testContainer)
{
if (areaOfInterest == null)
{
return(null);
}
IGeometry result;
GeometryUtils.EnsureSpatialReference(areaOfInterest.Geometry,
testContainer.GetSpatialReference(), false,
out result);
return(result);
}