Failure from bioc server

[pkrog]

See https://master.bioconductor.org/checkResults/3.16/bioc-LATEST/biodbLipidmaps/nebbiolo2-checksrc.html:

* checking tests ...
  Running ‘testthat.R’
 ERROR
Running the tests in ‘tests/testthat.R’ failed.
Last 13 lines of output:
      ▆
   1. ├─base::do.call(fct, params)
   2. └─biodbLipidmaps (local) `<fn>`(conn = `<LpdmpsSC>`)
   3.   └─testthat::expect_equal(results, "LMSL02000001") at test_200_webservices.R:52:8
  ── Failure ('test_300_custom.R:3'): No other connector is needed. ──────────────
  `ids` inherits from `'NULL'` not `'character'`.
  Backtrace:
      ▆
   1. ├─base::do.call(fct, params)
   2. └─biodbLipidmaps (local) `<fn>`(conn = `<LpdmpsSC>`)
   3.   └─testthat::expect_is(ids, "character") at test_300_custom.R:3:4
  
  [ FAIL 21 | WARN 1 | SKIP 0 | PASS 125 ]
  Error: Test failures
  Execution halted