Help needed for r-cran-shiny test failure

[Andreas Tille <andreas@an3as.eu>]

Hi,

I upgraded r-cran-shiny in git but the autopkgtest has a failure:

> 
> # only test if testthat is available
> if (require(testthat)) {
+   library(testthat)
+   library(shiny)
+ 
+   test_check("shiny")
+ }
Loading required package: testthat
-- 1. Error: runTests works with a dir app that calls modules that return reacti
Shiny App Test Failures detected in
* 107_scatterplot/tests/testthat.R
Backtrace:
  1. testthat::expect_output(print(runTests(app)), "Shiny App Test Results\\n\\* Success\\n  - 107_scatterplot/tests/testthat\\.R")
 11. shiny::runTests(app)

== testthat results  ===========================================================
[ OK: 389 | SKIPPED: 1 | WARNINGS: 0 | FAILED: 1 ]
1. Error: runTests works with a dir app that calls modules that return reactives and use brushing (@test-test-server-app.R#53) 

Error: testthat unit tests failed
Execution halted


Any help to either fix that failure or understand why it happens and
possibly exclude that specific test since we know that it can not work
in our autopkgtest environment is welcome.

Kind regards

        Andreas.

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