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> # This file is part of the standard setup for testthat.
> # It is recommended that you do not modify it.
> #
> # Where should you do additional test configuration?
> # Learn more about the roles of various files in:
> # * https://r-pkgs.org/testing-design.html#sec-tests-files-overview
> # * https://testthat.r-lib.org/articles/special-files.html
> 
> library(testthat)
> library(comts)
Loading required package: tidyr

Attaching package: 'tidyr'

The following object is masked from 'package:testthat':

    matches

Loading required package: dplyr

Attaching package: 'dplyr'

The following object is masked from 'package:testthat':

    matches

The following objects are masked from 'package:stats':

    filter, lag

The following objects are masked from 'package:base':

    intersect, setdiff, setequal, union

Loading required package: magrittr

Attaching package: 'magrittr'

The following object is masked from 'package:tidyr':

    extract

The following objects are masked from 'package:testthat':

    equals, is_less_than, not

Loading required package: data.table

Attaching package: 'data.table'

The following objects are masked from 'package:dplyr':

    between, first, last

> 
> test_check("comts")
Error in `test_dir()`:
! No test files found
Backtrace:
    ▆
 1. └─testthat::test_check("comts")
 2.   └─testthat::test_dir("testthat", package = package, reporter = reporter, ..., load_package = "installed")
 3.     └─rlang::abort("No test files found")
Execution halted