Fix for proc-calls and testMode interaction
Fix for proc-calls and testMode interaction

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