R Under development (unstable) (2024-07-12 r86893 ucrt) -- "Unsuffered Consequences"
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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(arlclustering)
> 
> test_check("arlclustering")
Loading required package: Matrix

Attaching package: 'arules'

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

    abbreviate, write

[ FAIL 7 | WARN 0 | SKIP 0 | PASS 0 ]

══ Failed tests ════════════════════════════════════════════════════════════════
── Error ('test-ChanFacebook.R:7:1'): (code run outside of `test_that()`) ──────
<packageNotFoundError/error/condition>
Error in `library(microbenchmark)`: there is no package called 'microbenchmark'
Backtrace:
    ▆
 1. └─base::library(microbenchmark) at test-ChanFacebook.R:7:1
── Error ('test-Facebook.R:7:1'): (code run outside of `test_that()`) ──────────
<packageNotFoundError/error/condition>
Error in `library(microbenchmark)`: there is no package called 'microbenchmark'
Backtrace:
    ▆
 1. └─base::library(microbenchmark) at test-Facebook.R:7:1
── Error ('test-NetScience.R:7:1'): (code run outside of `test_that()`) ────────
<packageNotFoundError/error/condition>
Error in `library(microbenchmark)`: there is no package called 'microbenchmark'
Backtrace:
    ▆
 1. └─base::library(microbenchmark) at test-NetScience.R:7:1
── Error ('test-dolphins.R:7:1'): (code run outside of `test_that()`) ──────────
<packageNotFoundError/error/condition>
Error in `library(microbenchmark)`: there is no package called 'microbenchmark'
Backtrace:
    ▆
 1. └─base::library(microbenchmark) at test-dolphins.R:7:1
── Error ('test-karate.R:7:1'): (code run outside of `test_that()`) ────────────
<packageNotFoundError/error/condition>
Error in `library(microbenchmark)`: there is no package called 'microbenchmark'
Backtrace:
    ▆
 1. └─base::library(microbenchmark) at test-karate.R:7:1
── Error ('test-lesmiserables.R:7:1'): (code run outside of `test_that()`) ─────
<packageNotFoundError/error/condition>
Error in `library(microbenchmark)`: there is no package called 'microbenchmark'
Backtrace:
    ▆
 1. └─base::library(microbenchmark) at test-lesmiserables.R:7:1
── Error ('test-wordadjacency.R:7:1'): (code run outside of `test_that()`) ─────
<packageNotFoundError/error/condition>
Error in `library(microbenchmark)`: there is no package called 'microbenchmark'
Backtrace:
    ▆
 1. └─base::library(microbenchmark) at test-wordadjacency.R:7:1

[ FAIL 7 | WARN 0 | SKIP 0 | PASS 0 ]
Error: Test failures
Execution halted