Filter out errors in sim implementation check (#2960)
Filter out errors in sim implementation check (#2960)


Microsoft/pxt,switchinnovations/pxt,switch-education/pxt,switchinnovations/pxt,playi/pxt,playi/pxt,switchinnovations/pxt,switch-education/pxt,playi/pxt,playi/pxt,switch-education/pxt,Microsoft/pxt,Microsoft/pxt,switchinnovations/pxt,Microsoft/pxt,switch-education/pxt,Microsoft/pxt,switch-education/pxt