R Under development (unstable) (2024-04-24 r86484 ucrt) -- "Unsuffered Consequences"
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> library(testthat)
> library(calendar)
> 
> test_check("calendar")
[ FAIL 1 | WARN 1 | SKIP 0 | PASS 11 ]

══ Failed tests ════════════════════════════════════════════════════════════════
── Failure ('test-ic-extract.R:4:3'): ic_extract works ─────────────────────────
ic_extract(ical_example, "DTSTART") not equal to as.POSIXct("2018-08-09 16:00:00 BST").
1/1 mismatches
[1] 2018-08-09 18:00:00 - 2018-08-09 16:00:00 == 2 hours

[ FAIL 1 | WARN 1 | SKIP 0 | PASS 11 ]
Error: Test failures
Execution halted