# regexp = NULL checks for presence of error
`null()` did not throw the expected error.
# regexp = string matches for error message
"OK" did not throw the expected error.
# message method is called when expecting error
`fb()` threw an unexpected error.
Message: dispatched!
Class: foobar/rlang_error/error/condition
Generated by dwww version 1.15 on Sun May 19 03:56:17 CEST 2024.