R Under development (unstable) (2025-08-19 r88650 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/tests.html
> # * https://testthat.r-lib.org/reference/test_package.html#special-files
> 
> library(testthat)
> library(fiery)
> 
> test_check("fiery")
createTcpServer: address already in use
createTcpServer: address already in use
createTcpServer: address already in use
createTcpServer: address already in use
[ FAIL 4 | WARN 0 | SKIP 26 | PASS 111 ]

══ Skipped tests (26) ══════════════════════════════════════════════════════════
• On CRAN (25): 'test-Fire.R:24:5', 'test-Fire.R:53:9', 'test-Fire.R:63:5',
  'test-Fire.R:81:5', 'test-Fire.R:120:5', 'test-Fire.R:126:5',
  'test-Fire.R:298:5', 'test-Fire.R:413:5', 'test-Fire.R:449:5',
  'test-Fire.R:493:5', 'test-Fire.R:529:5', 'test-Fire.R:557:3',
  'test-Fire.R:566:5', 'test-Fire.R:604:5', 'test-Fire.R:629:5',
  'test-Fire.R:651:5', 'test-HandlerStack.R:60:5', 'test-PromiseStack.R:13:5',
  'test-PromiseStack.R:53:5', 'test-fake_request.R:49:5',
  'test-fake_request.R:62:5', 'test-loggers.R:4:5', 'test-loggers.R:14:5',
  'test-loggers.R:46:5', 'test-loggers.R:64:5'
• On Windows (1): 'test-Fire.R:28:5'

══ Failed tests ════════════════════════════════════════════════════════════════
── Error ('test-Fire.R:326:5'): futures can be added and called ────────────────
Error in `initialize(...)`: Failed to create server
Backtrace:
    ▆
 1. └─testthat::expect_snapshot(app$ignite(silent = TRUE)) at test-Fire.R:326:5
 2.   └─rlang::cnd_signal(state$error)
── Error ('test-Fire.R:436:5'): external triggers are fired ────────────────────
Error in `initialize(...)`: Failed to create server
Backtrace:
    ▆
 1. └─testthat::expect_snapshot(...) at test-Fire.R:436:5
 2.   └─rlang::cnd_signal(state$error)
── Error ('test-Fire.R:465:5'): showcase opens a browser ───────────────────────
Error in `initialize(...)`: Failed to create server
Backtrace:
    ▆
 1. └─testthat::expect_snapshot(app$ignite(showcase = TRUE)) at test-Fire.R:465:5
 2.   └─rlang::cnd_signal(state$error)
── Error ('test-Fire.R:544:5'): is_running works ───────────────────────────────
Error in `initialize(...)`: Failed to create server
Backtrace:
    ▆
 1. └─testthat::expect_snapshot(app$ignite(silent = TRUE)) at test-Fire.R:544:5
 2.   └─rlang::cnd_signal(state$error)

[ FAIL 4 | WARN 0 | SKIP 26 | PASS 111 ]
Error: Test failures
Execution halted