Test Runner Not Detecting Equal Lists of Interval<DateTime>/Period

[cmoesel]

When running the test CqlAggregateTest:AggregateTests:RolledOutIntervals, the test runner reports:

Test CqlAggregateTest:AggregateTests:RolledOutIntervals status: fail expected: {
                                  Interval[@2012-01-01, @2012-02-28],
                                  Interval[@2012-02-29, @2012-04-28],
                                  Interval[@2012-04-29, @2012-06-28]
                                } actual: [ [Object], [Object], [Object] ]

My engine is returning the following result:

{
  "resourceType": "Parameters",
  "parameters": [
    {
      "extension": [
        {
          "url": "http://hl7.org/fhir/StructureDefinition/cqf-cqlType",
          "valueString": "List<Interval<System.DateTime>>"
        }
      ],
      "name": "return",
      "valuePeriod": {
        "start": "2012-01-01",
        "end": "2012-02-28"
      }
    },
    {
      "extension": [
        {
          "url": "http://hl7.org/fhir/StructureDefinition/cqf-cqlType",
          "valueString": "List<Interval<System.DateTime>>"
        }
      ],
      "name": "return",
      "valuePeriod": {
        "start": "2012-02-29",
        "end": "2012-04-28"
      }
    },
    {
      "extension": [
        {
          "url": "http://hl7.org/fhir/StructureDefinition/cqf-cqlType",
          "valueString": "List<Interval<System.DateTime>>"
        }
      ],
      "name": "return",
      "valuePeriod": {
        "start": "2012-04-29",
        "end": "2012-06-28"
      }
    }
  ]
}

According to the CQL IG FHIR type mapping, Interval<System.DateTime> maps to FHIR.Period. According to the $cql operation, the parameter should be repeated for each element in the list. So.. I believe my engine is returning the correct result to represent the Interval<DateTime>s as FHIR.Periods in a list of results.

[brynrhodes]

Agreed, the test runner needs to handle representation of Interval as a Period, and this is also probably not handling lists properly