R version 4.6.0 RC (2026-04-21 r89932 ucrt) -- "Because it was There"
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Platform: x86_64-w64-mingw32/x64

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> library(testthat)
> library(mdbplyr)
> 
> test_check("mdbplyr")
[
  {
    "$addFields": {
      "z": {
        "$add": [
          "$x",
          "$y"
        ]
      }
    }
  },
  {
    "$project": {
      "z": 1,
      "_id": 0
    }
  }
] 
[
  {
    "$match": {
      "$expr": {
        "$gt": [
          "$message.measurements.Fx",
          0
        ]
      }
    }
  },
  {
    "$project": {
      "message.measurements.Fx": 1,
      "score": 1,
      "_id": 0
    }
  }
] 
[
  {
    "$match": {
      "$expr": {
        "$gt": [
          "$message.timestamp",
          ISODate("2020-01-01T00:00:10.000Z")
        ]
      }
    }
  }
] 
[ FAIL 0 | WARN 0 | SKIP 0 | PASS 148 ]
> 
> proc.time()
   user  system elapsed 
   3.75    0.68    4.50