If testing and if {chromote} can not be loaded, skip test

[schloerke]

• News entries
• Fixes AppDriver$new() does not work when submitting to CRAN #201
• Fixes Errors in GitHub Actions from launch_chrome(): "Chrome debugging port not open after 10 seconds" #209

[schloerke]

CRAN submission: 🥳

R Under development (unstable) (2022-06-07 r82464 ucrt) -- "Unsuffered Consequences"
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> library(testthat)
> library(shinytest2)
> 
> test_check("shinytest2")
Error trying to find path to Chrome
Error in initialize(...) : Invalid path to Chrome
Error trying to find path to Chrome
Error in initialize(...) : Invalid path to Chrome
Error trying to find path to Chrome
Error in initialize(...) : Invalid path to Chrome
Error trying to find path to Chrome
Error in initialize(...) : Invalid path to Chrome
Error trying to find path to Chrome
Error in initialize(...) : Invalid path to Chrome
Error trying to find path to Chrome
Error in initialize(...) : Invalid path to Chrome
Error trying to find path to Chrome
Error in initialize(...) : Invalid path to Chrome
Error trying to find path to Chrome
Error in initialize(...) : Invalid path to Chrome
Error trying to find path to Chrome
Error in initialize(...) : Invalid path to Chrome
[ FAIL 0 | WARN 0 | SKIP 12 | PASS 275 ]

══ Skipped tests ═══════════════════════════════════════════════════════════════
• App test folders have been ignored (1)
• On CRAN (2)
• `shinytest2::AppDriver` can not be initialized as {chromote} can not be started (9)

[ FAIL 0 | WARN 0 | SKIP 12 | PASS 275 ]
Deleting unused snapshots:
• shiny-app-driver/app-001.json
• shiny-app-driver/app-dir-001.json
> 
> proc.time()
   user  system elapsed 
   3.56    0.67    5.03