Tests failing on Fedora

[ashbaldry]

Currently tests for package is failing on Fedora

checking tests ... [13s/34s] ERROR
  Running ‘testthat.R’ [13s/33s]
Running the tests in ‘tests/testthat.R’ failed.
Complete output:
  > library(testthat)
  > library(appler)
  >
  > test_check("appler")
  ══ Failed tests ════════════════════════════════════════════════════════════════
  ── Failure (test-chart.R:33:3): Check top app gets valid information ───────────
  is.na(res$position) is not FALSE
  
  `actual`: TRUE
  `expected`: FALSE
  ── Failure (test-chart.R:34:3): Check top app gets valid information ───────────
  is.na(res$category) is not FALSE
  
  `actual`: TRUE
  `expected`: FALSE
  
  [ FAIL 2 | WARN 0 | SKIP 0 | PASS 36 ]
  Error: Test failures
  Execution halted